1920, January 1st ยท United States of America ยท New York ยท Arts ยท Literature ยท Jerome David Salinger
Birth of Jerome David Salinger
Birth of Jerome David Salinger
1920, January 2nd ยท Russia ยท Arts ยท Literature ยท Isaac Asimov
Birth of Isaac Asimov
Birth of Isaac Asimov
1920, January 4th ยท United States of America ยท Politics ยท Central Intelligence Agency (CIA) ยท William Egan Colby
Birth of William Egan Colby
Birth of William Egan Colby
1920, January 10th ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Konstantin Fehrenbach
Treaty of Versailles
The Treaty of Versailles comes into effect
1920, January 10th ยท Great Britain ยท Geneva ยท Warfare ยท League of Nations ยท Eric Drummond
Secretary-General
Becomes the League's first Secretary-General.
1920, January 16th ยท France ยท Geneva ยท Warfare ยท League of Nations ยท Leon Bourgeois
League Council
Presides over early League Council work.
1920, January 17th ยท France ยท Government ยท Government of France ยท Georges Clemanceau
Election
Defeated in the presidential election
1920, January 20th ยท Italy ยท Rimini ยท Arts ยท Cinema ยท Frederico Fellini
Birth of Frederico Fellini
Birth of Frederico Fellini
1920, January 22nd ยท Great Britain ยท Sport ยท Football ยท Alfred Ernest "Alf" Ramsey
Birth of Alf Ramsey
Birth of Alf Ramsey
1920, January 25th ยท Great Britain ยท Plymouth ยท Politics ยท Liberal Party ยท Nancy Astor
1st Woman MP
Elected Member of Parliament for Plymouth, 1st woman MP
1920, January ยท China ยท Tianjin ยท Politics ยท Chinese Communist Party ยท Zhou Enlai
Student Movement Arrest
Is detained during a crackdown on student activism in Tianjin.
1920, January ยท Great Britain ยท Villa Park ยท Sport ยท Football ยท Billy Walker
Aston Villa Debut
Walker scores twice on his debut and begins a club-record scoring career.
February 192024 historical events
1920, February 2nd ยท Great Britain ยท Sport ยท Football ยท George Hardwick
Birth of George Hardwick
Birth of George Hardwick
1920, February 9th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Anton Drexler
Reform of Nazi Party
Produces a draft for the reforms of the NSDAP
1920, February 11th ยท Egypt ยท House ยท House of Muhammad Ali ยท Farouk I
Birth of Farouk
Birth of Farouk, son of Fuad I
1920, February 24th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Gottfried Feder
25 Point Program
When the points are announced more than 2000 people attend the rally. Adapted from Rudolf Jung's Austro-Bohemian program by Anton Drexler, Adolf Hitler, Gottfried Feder and Dietrich Eckart
1920, February 24th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Rudolf Jung
25 Point Program
The National Socialist Program originated at a DAP congress in Vienna, then was taken to Munich, by the civil engineer and theoretician Rudolf Jung
1920, February 24th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Rudolf Jung
National Socialism
The National Socialist Program originated at a DAP congress in Vienna, then was taken to Munich, by the civil engineer and theoretician Rudolf Jung
1920, February 24th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
25 Point Program
Hitler announces the party's program in front of 2000 people in the Munich Festsaal of the Hofbrauhaus
1920, February 24th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Johannes Dingfelder
Rally
Speaks as a guest speaker to attract a larger audience, not a member of the NSDAP
1920, February 24th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
Manifesto
Hitler proclaims the Party program at the Hofbrauhaus
1920, February 24th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
Rally
Chairs the NSDAP rally in the absence of Drexler, over 2,000 attend. At Hitler's wishes the 1st NSDAP rally is held at the Festsaal of the Hofbrauhaus
1920, February 25th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
25 Point Program
Hitler announces the 25 Point Program of the NSDAP
1920, February 25th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
25 Point Program
Remains the official party program throughout the party's existence
1920, February 25th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
25 Point Program
The 1st of the 25 points is "We demand the union of all Germans in a Great Germany on the basis of the principle of self-determination of all peoples"
1920, February 25th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
25 Point Program
The 2nd of the 25 points is "We demand that the German people have rights equal to those of other nations; and that the Peace Treaties of Versailles and St. Germain shall be abrogated"
1920, February 25th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
25 Point Program
The 3rd of the 25 points is "We demand land and territory (colonies) for the maintenance of our people and the settlement of our surplus population"
1920, February 25th ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
National Socialism
The party keeps the program when it changes its name to the National Socialist German Workers Party in April 1920 & remains the official party program throughout the party's existence
1920, February 25th ยท Iceland ยท Reykjavik ยท Government ยท Government of Iceland ยท Jon Magnusson
First Jon Magnusson Government
The First Jon Magnusson Government ends, concluding this term as Prime Minister of Iceland.
1920, February 25th ยท Iceland ยท Reykjavik ยท Government ยท Government of Iceland ยท Jon Magnusson
Second Jon Magnusson Government
Begins the Second Jon Magnusson Government and serves as Prime Minister of Iceland.
1920, February 26th ยท Germany ยท Berlin ยท Arts ยท Cinema ยท Robert Wiene
The Cabinet of Dr Caligari
Directs The Cabinet of Dr Caligari, a landmark of German Expressionist cinema.
1920, February 28th ยท United States of America ยท Washington ยท Economy ยท Railroads ยท Woodrow Wilson
Transportation Act
The Act returns railroads to private operation and strengthens federal rate regulation.
1920, February 29th ยท Czech Republic ยท Prague ยท Government ยท Czechoslovakia ยท Thomas Garrigue Masaryk
Constitution of 1920
Czechoslovakia adopts its democratic constitution.
1920, February ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Anton Drexler
25 Point Program
Adapted from Rudolf Jung's Austro-Bohemian program by Anton Drexler, Adolf Hitler, Gottfried Feder and Dietrich Eckart
1920, February ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Dietrich Eckart
25 Point Program
Adapted from Rudolf Jung's Austro-Bohemian program by Anton Drexler, Adolf Hitler, Gottfried Feder and Dietrich Eckart
1920, February ยท Germany ยท Munich ยท Politics ยท NSDAP ยท Adolf Hitler
25 Point Program
Adapted from Rudolf Jung's Austro-Bohemian program by Anton Drexler, Adolf Hitler, Gottfried Feder and Dietrich Eckart
March 192031 historical events
1920, March 10th ยท Iraq ยท Palestine ยท House ยท House of Hussein ยท Faisal I
Rule of Palestine
Proclaims himself King of Syria & Palestine
1920, March 10th ยท Iraq ยท House ยท House of Hussein ยท Faisal I
Rule of Syria
Proclaims himself King of Syria & Palestine but 15 weeks later deposed by the French
1920, March 13th ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Hans von Seeckt
Resignation of Gustav Noske
Informs Noske the army will not fire on the free corps, Noske resigns
1920, March 13th ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Hans von Seeckt
Siege of Berlin
Informs Noske the army will not fire on the free corps, Noske resigns
1920, March 13th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
Coup
The Government of the National Association is formed headed by Kapp & Luttwitz. Seeckt refuses to defend Berlin & prevents the army firing during the Kapp Putsch. Leads a royalist coup in Berlin
1920, March 13th ยท Germany ยท Stuttgart ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
Coup
The Government is forced to flee to Stuttgart but returns within a few days
1920, March 13th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Konstantin Fehrenbach
Coup
The Kapp Putsch involves a group of Freikorps troops who gained control of Berlin and installed Wolfgang Kapp (a right-wing journalist) as Chancellor
1920, March 13th ยท Romania ยท Bucharest ยท Government ยท Government of Romania ยท Alexandru Averescu
Second Averescu Government
Averescu begins his second premiership and oversees major postwar reforms.
1920, March 15th ยท Finland ยท Helsinki ยท Government ยท Government of Finland ยท Juho Vennola
Government Ends
His government ends in Helsinki, concluding this term as Prime Minister of Finland.
1920, March 15th ยท Finland ยท Helsinki ยท Government ยท Government of Finland ยท Rafael Erich
Prime Minister
Takes office as Prime Minister of Finland and forms a government in Helsinki.
1920, March 16th ยท Germany ยท Munich ยท Government ยท Weimar Republic ยท Gustav Ritter von Kahr
Bavarian Foreign Ministry
Also serves as Bavarian Minister of Foreign Affairs while heading the state government.
1920, March 16th ยท Germany ยท Munich ยท Government ยท Weimar Republic ยท Gustav Ritter von Kahr
Bavarian Interior Ministry
Assumes the Bavarian Interior Ministry alongside the premiership, combining political leadership with responsibility for internal administration.
1920, March 16th ยท Germany ยท Munich ยท Government ยท Weimar Republic ยท Gustav Ritter von Kahr
Bavarian Premiership
Is elected Bavarian prime minister after the Kapp crisis and forms a conservative government supported by right-wing security organisations.
1920, March 16th ยท Great Britain ยท Istanbul ยท Government ยท Coalition Government ยท David Lloyd George Dwyfor, 1st
Rule of Constantinople
The Allies occupy Constantinople
1920, March 16th ยท Turkey ยท Istanbul ยท House ยท House of Osmanli ยท Mehmed VI
Rule of Constantinople
The Allies occupy Constantinople
1920, March 17th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
Coup
The national Government moves to Stuttgart and calls for a general strike, the strike cripples Germany's economy and the Kapp Government collapses
1920, March 17th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
General Strike
The national Government moves to Stuttgart and calls for a general strike, the strike cripples Germany's economy and the Kapp Government collapses
1920, March 17th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
National Government
The national Government moves to Stuttgart and calls for a general strike, the strike cripples Germany's economy and the Kapp Government collapses
1920, March 17th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Konstantin Fehrenbach
Coup
The national Government moves to Stuttgart and calls for a general strike, the strike cripples Germany's economy and the Kapp Government collapses
1920, March 17th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Konstantin Fehrenbach
General Strike
The national Government moves to Stuttgart and calls for a general strike, the strike cripples Germany's economy and the Kapp Government collapses
1920, March 17th ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Konstantin Fehrenbach
National Government
The national Government moves to Stuttgart and calls for a general strike, the strike cripples Germany's economy and the Kapp Government collapses
1920, March 18th ยท Great Britain ยท London ยท Government ยท Liberal Party Government ยท Charles Greenway
Shell Supply Agreement Examined in Commons
Parliament examines the company's pre-government marketing agreement to supply Shell through the end of 1922.
1920, March 19th ยท United States of America ยท Washington ยท Warfare ยท League of Nations ยท Thomas Woodrow Wilson
United States Non-Membership
The Senate rejects League membership after the Versailles dispute.
1920, March 24th ยท Austria ยท Science ยท Physics ยท Erwin Rudolf Josef Alexander Schrodinger
Marriage to Annemarie Bertel
Marries Annemarie Bertel while establishing his academic career in Germany.
1920, March 25th ยท Great Britain ยท London ยท Government ยท Liberal Party Government ยท Charles Greenway
North Persia Concession Purchase Agreement
North Persia Oils concludes a sale agreement connected with acquisition of northern Persian concession interests.
1920, March 27th ยท Russia ยท Novorossik ยท Warfare ยท Civil War ยท Anton Ivanovich de Ikin
Evacuation
Evacuated by sea from Novorossik, mostly in British ships
1920, March 30th ยท Denmark ยท Copenhagen ยท Government ยท Government of Denmark ยท Carl Theodor Zahle
Second Zahle Premiership
The Second Zahle Premiership ends in Copenhagen, concluding this term as Prime Minister of Denmark.
1920, March 30th ยท Denmark ยท Copenhagen ยท Government ยท Government of Denmark ยท Otto Liebe
Liebe Caretaker Government
Begins the Liebe Caretaker Government in Copenhagen and serves as Prime Minister of Denmark.
1920, March 31st ยท Germany ยท Politics ยท NSDAP ยท Adolf Hitler
Demobilization
Stays on the Army payroll until 31st March 1920
1920, March ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Economy of Russia
The State Commission for the Electrification of Russia is founded
1920, March ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
GOELRO
The State Commission for the Electrification of Russia is founded
April 192015 historical events
1920, April 5th ยท Denmark ยท Copenhagen ยท Government ยท Government of Denmark ยท Michael Pedersen Friis
Friis Caretaker Government
Begins the Friis Caretaker Government in Copenhagen and serves as Prime Minister of Denmark.
1920, April 5th ยท Denmark ยท Copenhagen ยท Government ยท Government of Denmark ยท Otto Liebe
Liebe Caretaker Government
The Liebe Caretaker Government ends in Copenhagen, concluding this term as Prime Minister of Denmark.
1920, April 16th ยท Russia ยท Russian Front ยท Politics ยท Anti-Bolshevik Movement ยท Alexander Fedorovich Kerensky
Army Reform
Kerensky develops his views through army reform after 1917.
1920, April 24th ยท Great Britain ยท Stamford Bridge ยท Sport ยท Football ยท Andy Ducat
Sixth FA Cup Victory
Ducat captains Villa to an extra-time FA Cup final victory over Huddersfield Town.
1920, April 24th ยท Turkey ยท Mosul ยท House ยท House of Osmanli ยท Mehmed VI
Rule of Mosul
Mosul is declared part of Iraq
1920, April 25th ยท France ยท San Remo ยท Warfare ยท League of Nations ยท Alexandre Millerand
Mandate for Syria
France receives the Syria and Lebanon mandate.
1920, April 25th ยท Great Britain ยท San Remo ยท Warfare ยท League of Nations ยท David Lloyd George Dwyfor, 1st
Mandate for Mesopotamia
Britain receives the Mesopotamia mandate after Ottoman defeat.
1920, April 25th ยท Great Britain ยท San Remo ยท Warfare ยท League of Nations ยท David Lloyd George Dwyfor, 1st
Mandate for Palestine
Britain receives the Palestine mandate at San Remo.
1920, April 25th ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Invasion of Russia
Poland invades Russia
1920, April 25th ยท Russia ยท Crimea ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Reballion of Rebels in Crimea
Last White army under Wrangel evacuates the Crimea
1920, April 25th ยท Russia ยท Tambov ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Reballion of Start of peasant
Start of peasant insurrection in Tambov
1920, April 25th ยท Russia ยท Crimea ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Rule of Crimea
Last White army under Wrangel evacuates the Crimea
1920, April 26th ยท United States ยท Washington DC ยท Science ยท Astronomy ยท Heber Doust Curtis
Great Debate Andromeda Argument
Uses spiral nebulae including Andromeda in the Great Debate, arguing that they are external galaxies rather than small objects inside the Milky Way.
1920, April 30th ยท Ireland ยท Dublin ยท Politics ยท Fine Gael Party ยท Liam Cosgrave
Birth of Liam Cosgrave
Birth of Liam Cosgrave
1920, April ยท Iraq ยท San Remo ยท Warfare ยท League of Nations ยท Faisal Hussein Faisal I
Conference of San Remo
The League awards Mosul to Iraq despite Turkish claims and Kurdish opposition.
May 192013 historical events
1920, May 2nd ยท Germany ยท Munich ยท Government ยท Weimar Republic ยท Gustav Ritter von Kahr
Ordnungszelle Policy
Publicly presents Bavaria as an 'Ordnungszelle', a nucleus from which order and stability could spread through Germany.
1920, May 4th ยท Hungary ยท Trianon ยท Government ยท Government of Hungary ยท Miklos Horthy de Nagybanya
Treaty of Trianon
Romania, Czechoslovakia & Yugoslavia take nearly 2/3 of Hungarys territory
1920, May 5th ยท Denmark ยท Copenhagen ยท Government ยท Government of Denmark ยท Michael Pedersen Friis
Friis Caretaker Government
The Friis Caretaker Government ends in Copenhagen, concluding this term as Prime Minister of Denmark.
1920, May 5th ยท Denmark ยท Copenhagen ยท Government ยท Government of Denmark ยท Niels Neergaard
Second Neergaard Premiership
Begins the Second Neergaard Premiership in Copenhagen and serves as Prime Minister of Denmark.
1920, May 5th ยท United States of America ยท Leiden ยท Science ยท Physics ยท Albert Einstein
Ether and Relativity Lecture
Delivers the lecture Ether and the Theory of Relativity, redefining the concept in gravitational terms.
1920, May 8th ยท Great Britain ยท London ยท Government ยท Liberal Party Government ยท Charles Greenway
North Persia Oils Incorporated
A company linked with Anglo-Persian is incorporated to pursue former Russian oil interests in northern Persia.
1920, May 10th ยท Germany ยท Government ยท Weimar Republic ยท Walter Rathenau
Policy of Fulfillment
Joseph Wirth and Walter Rathenau announce their "Policy of Fulfillment"
1920, May 10th ยท Germany ยท Government ยท Weimar Republic ยท Karl Joseph Wirth
Policy of Fulfillment
Joseph Wirth and Walter Rathenau announce their "Policy of Fulfillment"
1920, May 18th ยท Poland ยท Wadowice ยท Religion ยท Roman Catholic Church ยท John Paul II
Birth of John Paul II
Birth of John Paul II, Karol Wojtyla
1920, May 25th ยท Czech Republic ยท Prague ยท Government ยท Government of Czechoslovakia ยท Vlastimil Tusar
First Tusar Government
The First Tusar Government ends in Prague, concluding this term as Prime Minister of Czechoslovakia.
1920, May 25th ยท Czech Republic ยท Prague ยท Government ยท Government of Czechoslovakia ยท Vlastimil Tusar
Second Tusar Government
Begins the Second Tusar Government in Prague and serves as Prime Minister of Czechoslovakia.
1920, May ยท Iraq ยท Palestine ยท House ยท House of Hussein ยท Faisal I
Abdication
Forced to abdicate as King of Palestine by the French
1920, May ยท United States of America ยท Leiden ยท Science ยท Physics ยท Albert Einstein
Ether and Relativity Leiden Address
Delivers his Leiden inaugural lecture on ether and relativity, arguing that general relativity permits a physical spacetime structure without a mechanical luminiferous ether.
June 192012 historical events
1920, June 3rd ยท New Zealand ยท Cambridge ยท Science ยท Physics ยท Ernest Rutherford
Neutral Nuclear Particle Proposal
Suggests that a neutral proton-electron combination could exist inside atomic nuclei, anticipating the neutron.
1920, June 5th ยท Great Britain ยท Ypres ยท Warfare ยท World War, 1st ยท John Denton Pinkstone French Ypres, 1st
Earl of Ypres
French is created Earl of Ypres after the war.
1920, June 21st ยท Norway ยท Oslo ยท Government ยท Government of Norway ยท Gunnar Knudsen
Second Gunnar Knudsen Government
The Second Gunnar Knudsen Government ends in Oslo, concluding this term as Prime Minister of Norway.
1920, June 21st ยท Norway ยท Oslo ยท Government ยท Government of Norway ยท Otto B. Halvorsen
First Otto B. Halvorsen Government
Begins the First Otto B. Halvorsen Government in Oslo and serves as Prime Minister of Norway.
1920, June 23rd ยท Great Britain ยท York ยท House ยท House of Windsor ยท George VI
Peerage
Created the Duke of York & takes his seat in the House of Lords
1920, June 23rd ยท Poland ยท Government ยท Government of Poland ยท Wladyslaw Grabski
Prime Minister of Poland
Appointed Prime Minister of Poland, 1st term
1920, June 25th ยท Chile ยท Santiago ยท Government ยท Government of Chile ยท Arturo Alessandri Palma
Presidential Election
Wins a plurality in the presidential election and is later confirmed by the full Congress.
1920, June 29th ยท Spain ยท Madrid ยท Sport ยท Football ยท Pedro Parages
Royal Title Granted
Leads the club when King Alfonso XIII grants Madrid the royal title Real.
1920, June ยท Austria ยท Vienna ยท Government ยท Government of Austria ยท Karl Renner
Resignation of Karl Renner
Renner resign & the socialists leave power, except in Vienna
1920, June ยท China ยท Politics ยท Communist Party ยท Li Dazhao
Comintern
Comintern agent Gregory Voitinsky is sent to China, and meets Li Dazhao
1920, June ยท China ยท Politics ยท Communist Party ยท Li Dazhao
Communist Party
Finances the founding of the Socialist Youth Corps. Comintern agent Gregory Voitinsky is sent to China, and meets Li Dazhao
1920, June ยท China ยท Politics ยท Communist Party ยท Li Dazhao
Socialist Youth Corps
Finances the founding of the Socialist Youth Corps
July 192026 historical events
1920, July 1st ยท Mexico ยท Government ยท Government of Mexico ยท Alvaro Obregon
Election
Elected President of Mexico, for a 2nd term
1920, July 10th ยท Canada ยท Ottawa ยท Government ยท Government of Canada ยท Arthur Meighen
Prime Minister of Canada
Becomes prime minister after Borden retires.
1920, July 10th ยท Great Britain ยท Spa ยท Government ยท Coalition Government ยท David Lloyd George
Spa Conference Armistice Plan
At Spa, Lloyd George supports using the previously proposed Allied eastern line as the basis for an armistice in the Polish-Soviet War.
1920, July 11th ยท Great Britain ยท Spa ยท Government ยท Coalition Government ยท George Nathaniel Curzon Kedleston
Curzon Note Sent
Curzon sends Soviet Foreign Commissar Chicherin the British armistice proposal that gives the provisional Allied boundary its enduring name.
1920, July 11th ยท Great Britain ยท Spa ยท Government ยท Coalition Government ยท George Nathaniel Curzon Kedleston
Eastern Galicia Extension
Curzon's proposal extends the earlier provisional line south through Galicia, west of Rawa Ruska and east of Przemysl, to the Carpathians.
1920, July 11th ยท Great Britain ยท Spa ยท Government ยท Coalition Government ยท George Nathaniel Curzon Kedleston
Polish Withdrawal Proposal
Curzon's note proposes that Polish forces withdraw to the provisional eastern line established by the Peace Conference.
1920, July 11th ยท Great Britain ยท Spa ยท Government ยท Coalition Government ยท George Nathaniel Curzon Kedleston
Soviet Stand-Off Proposal
The British armistice proposal calls for Soviet forces to remain fifty kilometres east of the proposed line outside Eastern Galicia.
1920, July 12th ยท Bolivia ยท La Paz ยท Government ยท Government of Bolivia ยท Jose Maria Escalier
Republican Governing Junta
Escalier joins the Republican junta formed after the overthrow of Gutierrez Guerra.
1920, July 12th ยท Bolivia ยท La Paz ยท Government ยท Government of Bolivia ยท Bautista Saavedra
Republican Coup
Saavedra helps lead the Republican coup that ends the Liberal Party's long rule.
1920, July 19th ยท Russia ยท Petrograd ยท Politics ยท International, 3rd ยท Grigory Zinoviev
Second Comintern Congress
Presides over the opening of the Second Congress of the Communist International
1920, July 20th ยท Czech Republic ยท Teschen ยท Government ยท Government of Czech Rep ยท Thomas Garrigue Masaryk
Rule of Teschen
Teschen is divided between Czechoslovakia and Poland
1920, July 24th ยท Poland ยท Government ยท Government of Poland ยท Wincenty Witos
Prime Minister of Poland
Appointed Prime Minister of Poland, 1st term
1920, July ยท France ยท Damascus ยท Warfare ยท League of Nations ยท Henri Gouraud
Mandate for Syria
Establishes French authority in Syria under mandate policy.
1920, July ยท Great Britain ยท Jerusalem ยท Warfare ยท League of Nations ยท Herbert Samuel
Mandate for Palestine
Administers Palestine under British mandate authority.
1920, July ยท Russia ยท Moscow ยท Arts ยท Literature ยท Vladimir Ilyich Ulyanov Lenin
Independence of Lithuania
Russia recognizes the independence of Lithuania under the Treaty of Moscow
1920, July ยท Russia ยท Moscow ยท Arts ยท Literature ยท Vladimir Ilyich Ulyanov Lenin
Independence of Russia
Russia recognizes the independence of Lithuania under the Treaty of Moscow
1920, July ยท Russia ยท Moscow ยท Arts ยท Literature ยท Vladimir Ilyich Ulyanov Lenin
Treaty of Moscow
Russia recognizes the independence of Lithuania under the Treaty of Moscow
1920, July ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
Ahead of the Second Congress of the Communist International Lenin sends out a number of documents, including his Twenty-one Conditions to all socialist parties which the Congress adopts as prerequisites for any group wanting to become affiliated to the International
1920, July ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
The 21 Conditions call for the demarcation between Communist parties and other socialist groups and instruct the Comintern sections not to trust the legality of the bourgeois states & call for the build-up of party organisations along democratic centralist lines
1920, July ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
in which the party press and Parliamentary factions would be under the direct control of the party leadership.
1920, July ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
Ahead of the Second Congress of the Communist International Lenin sends out a number of documents, including his Twenty-one Conditions to all socialist parties which the Congress adopts as prerequisites for any group wanting to become affiliated to the International
1920, July ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
The 21 Conditions call for the demarcation between Communist parties and other socialist groups and instruct the Comintern sections not to trust the legality of the bourgeois states & call for the build-up of party organisations along democratic centralist lines
1920, July ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
in which the party press and Parliamentary factions would be under the direct control of the party leadership.
1920, July ยท Russia ยท Moscow ยท Warfare ยท Lithuanian War of Independence ยท Vladimir Ilyich Ulyanov Lenin
Independence of Lithuania
Russia recognizes the independence of Lithuania under the Treaty of Moscow
1920, July ยท Russia ยท Moscow ยท Warfare ยท Lithuanian War of Independence ยท Vladimir Ilyich Ulyanov Lenin
Independence of Russia
Russia recognizes the independence of Lithuania under the Treaty of Moscow
1920, July ยท Russia ยท Moscow ยท Warfare ยท Lithuanian War of Independence ยท Vladimir Ilyich Ulyanov Lenin
Treaty of Moscow
Russia recognizes the independence of Lithuania under the Treaty of Moscow
August 192041 historical events
1920, August 1st ยท India ยท Politics ยท All India Home Rule League ยท Bal Gangadhar Tilak
Death of Bal Gangadhar Tilak
Gandhi paid his respects at his cremation in Bombay, along with 200,000 people, Gandhi calls Tilak "The Maker of Modern India". Death of Bal Gangadhar Tilak
1920, August 1st ยท India ยท Politics ยท All India Home Rule League ยท Bal Gangadhar Tilak
Home Rule
Gandhi paid his respects at his cremation in Bombay, along with 200,000 people, Gandhi calls Tilak "The Maker of Modern India". Death of Bal Gangadhar Tilak
1920, August 1st ยท India ยท Politics ยท All India Home Rule League ยท Bal Gangadhar Tilak
Independence of India
Gandhi paid his respects at his cremation in Bombay, along with 200,000 people, Gandhi calls Tilak "The Maker of Modern India"
1920, August 6th ยท Russia ยท Moscow ยท Politics ยท International, 3rd ยท Vladimir Lenin
Twenty-One Conditions
Promotes conditions for parties joining the Communist International
1920, August 6th ยท Russia ยท Moscow ยท Politics ยท International, 3rd ยท Nikolai Bukharin
Comintern Program Debate
Helps shape ideological debate at the Communist International
1920, August 10th ยท Bulgaria ยท Sevres ยท Government ยท Government of Bulgaria ยท Alexander Stamboliisky
Treaty of Sevres
Part of European Turkey is ceded to Bulgaria
1920, August 10th ยท France ยท Sevres ยท Government ยท Government of France ยท Georges Clemanceau
Rule of Syria
Under the Treaty of Svres Syria is ceded to France
1920, August 10th ยท France ยท Sevres ยท Warfare ยท League of Nations ยท Georges Clemenceau
Treaty of Sevres
Under the Treaty a League of Nations mandate is set up for Syria. Syria is ceded to France
1920, August 10th ยท Great Britain ยท Istanbul ยท Government ยท Coalition Government ยท David Lloyd George Dwyfor, 1st
Rule of Constantinople
The Allies complete the occupation of Constantinople
1920, August 10th ยท Great Britain ยท Cyprus ยท Government ยท Coalition Government ยท David Lloyd George Dwyfor, 1st
Rule of Cyprus
Under the Treaty of Sevres Turkey cedes Cyprus to Britain
1920, August 10th ยท Great Britain ยท Sevres ยท Warfare ยท League of Nations ยท David Lloyd George Dwyfor, 1st
Rule of Transjordan
Under the Treaty of Sevres a League of Nations mandate awards Transjordan to Britain
1920, August 10th ยท Great Britain ยท Sevres ยท Warfare ยท League of Nations ยท David Lloyd George Dwyfor, 1st
Treaty of Sevres
Under the Treaty of Sevres Turkey cedes Cyprus to Britain. Under the Treaty of Sevres a League of Nations mandate awards Transjordan to Britain
1920, August 10th ยท Greece ยท Aegean Islands ยท Government ยท Government of Greece ยท Eleftherios Venizelos
Aegean Islands Status
The Treaty of Sevres recognises Greek authority over most eastern Aegean islands already administered by Greece.
1920, August 10th ยท Greece ยท Thrace ยท Government ยท Government of Greece ยท Eleftherios Venizelos
Eastern Thrace Transferred
The Treaty of Sevres transfers Eastern Thrace to Greek administration.
1920, August 10th ยท Greece ยท Smyrna ยท Government ยท Government of Greece ยท Eleftherios Venizelos
Greek Administration of Smyrna
The Treaty of Sevres provides for Greek administration of Smyrna before a future plebiscite.
1920, August 10th ยท Greece ยท Sevres ยท Government ยท Government of Greece ยท Eleftherios Venizelos
Treaty of Sevres
Venizelos signs the Treaty of Sevres, expanding Greek administration in Thrace and around Smyrna.
1920, August 10th ยท Turkey ยท Hejaz ยท House ยท House of Osmanli ยท Mehmed VI
Independence of Hejaz
Under the Treaty of Sevres Hejaz is given its independence
1920, August 10th ยท Turkey ยท Sevres ยท House ยท House of Osmanli ยท Mehmed VI
Independence of Kurdistan and Armenia
Under the Treaty of Sevres independence is given to Kurdistan, never implemented. Under the Treaty of Sevres independence is given to Armenia
1920, August 10th ยท Turkey ยท House ยท House of Osmanli ยท Mehmed VI
Independence of Saudi Arabia
Under the Treaty of Sevres Arabia is given its independence
1920, August 10th ยท Turkey ยท House ยท House of Osmanli ยท Mehmed VI
Independence of Turkey
Under the Treaty of Sevres Arabia is given its independence
1920, August 10th ยท Turkey ยท Hejaz ยท House ยท House of Osmanli ยท Mehmed VI
Independence of Turkey
Under the Treaty of Sevres Hejaz is given its independence
1920, August 10th ยท Turkey ยท Sevres ยท House ยท House of Osmanli ยท Mehmed VI
Independence of Turkey
Under the Treaty of Sevres independence is given to Kurdistan, never implemented. Under the Treaty of Sevres independence is given to Armenia
1920, August 10th ยท Turkey ยท Istanbul ยท House ยท House of Osmanli ยท Mehmed VI
Rule of Constantinople
The Allies complete their occupation of Constantinople
1920, August 10th ยท Turkey ยท Dardanelles ยท House ยท House of Osmanli ยท Mehmed VI
Rule of Dardenelles
Under the Treaty of Sevres the Dardanelles are placed under international control
1920, August 10th ยท Turkey ยท Sevres ยท House ยท House of Osmanli ยท Mehmed VI
Rule of Kurdistan
Under the Treaty of Sevres independence is given to Kurdistan, never implemented
1920, August 10th ยท Turkey ยท Smyrna ยท House ยท House of Osmanli ยท Mehmed VI
Rule of Smyrna
Under the Treaty of Sevres Smyrna is ceded to Greece. Under the Treaty of Sevres Greece is given the adminstration of Smyrna
1920, August 10th ยท Turkey ยท Thrace ยท House ยท House of Osmanli ยท Mehmed VI
Rule of Thrace
Under the Treaty of Sevres Eastern Thrace is ceded to Greece
1920, August 10th ยท Turkey ยท Sevres ยท House ยท House of Osmanli ยท Mehmed VI
Treaty of Sevres
Turkey is to be occupied by British, French & Italian troops. Turkey is forced to renounce much of the Ottoman Empire to the Allies. The Treaty of Sevres leads to the dissolution of the Ottoman Empire.
1920, August 10th ยท Turkey ยท Sevres ยท House ยท House of Osmanli ยท Mehmed VI
Treaty of Sevres
Under the Treaty of Sevres Greece is given the adminstration of Smyrna. Under the Treaty of Sevres Eastern Thrace, Chios & Smyrna are ceded to Greece. Turkey surrenders all territorial claims in Arab Asia & north Africa.
1920, August 10th ยท Turkey ยท Sevres ยท House ยท House of Osmanli ยท Mehmed VI
Treaty of Sevres
Under the Treaty of Sevres the Dardanelles are placed under international control. Under the Treaty of Sevres independence is given to Kurdistan, never implemented. Under the Treaty of Sevres independence is given to Armenia.
1920, August 10th ยท Turkey ยท Sevres ยท Warfare ยท League of Nations ยท Mehmed Osmanoglu Mehmed VI
Treaty of Sevres
League mandates are created from former Ottoman territories under the peace settlement.
1920, August 19th ยท Italy ยท Adalia ยท Government ยท Liberal Party Government ยท Giovanni Giolitti
Rule of Adalia
Under the Treaty of Sevres Adalia is ceded to Italy by Turkey
1920, August 19th ยท Italy ยท Dodecanese ยท Government ยท Liberal Party Government ยท Giovanni Giolitti
Rule of Dodecanese
Under the Treaty of Sevres the Dodecanese are ceded to Italy by Turkey
1920, August 19th ยท Italy ยท Rhodes ยท Government ยท Liberal Party Government ยท Giovanni Giolitti
Rule of Rhodes
Under the Treaty of Sevres Rhodes is ceded to Italy by Turkey
1920, August 26th ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Mathias Erzberger
Assassination of Mathias Erzberger
Assassinated by rightist extremists, a symbol of "defeatism"
1920, August 26th ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Mathias Erzberger
Death of Mathias Erzberger
Death of Mathias Erxberger, assassinated
1920, August ยท Iraq ยท House ยท House of Hussein ยท Faisal I
Independence of Iraq
A tribal revolt is launched throughout Iraqi territory after Arnold Wilson, the High Commissioner to Iraq, refuses to allow for the possibility any amount of Iraqi self-Government
1920, August ยท Iraq ยท House ยท House of Hussein ยท Faisal I
Reballion of tribal
A tribal revolt is launched throughout Iraqi territory after Arnold Wilson, the High Commissioner to Iraq, refuses to allow for the possibility any amount of Iraqi self-Government
1920, August ยท Japan ยท Nomonhan ยท Warfare ยท Military ยท Ishii Shiro
Battle of Nomonhan
Founds Unit 731 for biological & chemical warfare, possibly used at Nomonhan
1920, August ยท Japan ยท Warfare ยท Military ยท Ishii Shiro
Unit 731
Founds Unit 731 for biological & chemical warfare, possibly used at Nomonhan
1920, August ยท Poland ยท Warsaw ยท Warfare ยท Russia War ยท Josef Klemens Pilsudski
Battle of Warsaw
Defeats the Russians
September 19206 historical events
1920, September 1st ยท Ecuador ยท Quito ยท Government ยท Government of Ecuador ยท Jose Luis Tamayo
President of Ecuador
Appointed President of Ecuador
1920, September 5th ยท Great Britain ยท Birmingham ยท Arts ยท Classical Music ยท Appleby Matthews
City of Birmingham Orchestra
Birmingham's new municipal orchestra gives its first public concert.
1920, September 15th ยท Czech Republic ยท Prague ยท Government ยท Government of Czechoslovakia ยท Jan Cerny
First Cerny Government
Begins the First Cerny Government in Prague and serves as Prime Minister of Czechoslovakia.
1920, September 15th ยท Czech Republic ยท Prague ยท Government ยท Government of Czechoslovakia ยท Vlastimil Tusar
Second Tusar Government
The Second Tusar Government ends in Prague, concluding this term as Prime Minister of Czechoslovakia.
1920, September 24th ยท Belgium ยท Brussels ยท Government ยท Government of Belgium ยท Leon Delacroix
Brussels Financial Conference
The international conference recommends balanced budgets and eventual restoration of stable convertible currencies.
1920, September ยท United States of America ยท Bad Nauheim ยท Science ยท Physics ยท Albert Einstein
Bad Nauheim Relativity Debate
Publicly debates critics including Philipp Lenard at the German scientists' meeting in Bad Nauheim, defending the physical basis and interpretation of relativity.
October 192010 historical events
1920, October 1st ยท United States of America ยท Arts ยท Cinema ยท Walter Matthau
Birth of Walter Matthau
Birth of Walter Matthau
1920, October 12th ยท Great Britain ยท Riga ยท Government ยท Coalition Government ยท George Nathaniel Curzon Kedleston
Riga Preliminary Peace
The Polish-Soviet preliminary peace agreement adopts a frontier substantially east of the Curzon proposal, reducing its immediate role as a settlement line.
1920, October 14th ยท Russia ยท Tartu ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Treaty of Tartu
Ends the Russo-Finnish war over Karelia, Finland makes a small territorial gain
1920, October 18th ยท Great Britain ยท Government ยท Coalition Government ยท David Lloyd George Dwyfor, 1st
Strike
Miners walk out & make a claim for 2 shillings more per week
1920, October 27th ยท United States of America ยท Leiden ยท Science ยท Physics ยท Albert Einstein
Leiden Special Professorship
Begins official duties as special professor at Leiden University.
1920, October 29th ยท Germany ยท Berlin ยท Arts ยท Cinema ยท Carl Boese
The Golem
Co-directs The Golem: How He Came into the World.
1920, October 29th ยท Germany ยท Berlin ยท Arts ยท Cinema ยท Paul Wegener
The Golem
Co-directs and stars in The Golem: How He Came into the World.
1920, October ยท Austria ยท Government ยท Government of Austria ยท Charles I
Constitution of Austria
The Republic of Austria is formed
1920, October ยท Germany ยท Angermรผnde ยท Warfare ยท Military ยท Fritz Erich von Manstein
5th Infantry Regiment
Manstein assumed command of a company in the 5th Infantry Regiment at Angermรผnde. This posting returned him to troop leadership after several years devoted mainly to staff work.
1920, October ยท Russia ยท Warfare ยท Military ยท Semyon Mikhaylovich Budenny
Commander of First Cavalry Army
Appointed Commander of the 1st Cavalry Army
November 192034 historical events
1920, November 3rd ยท Great Britain ยท Government ยท Coalition Government ยท David Lloyd George Dwyfor, 1st
Strike
The Miners return to work
1920, November 11th ยท Great Britain ยท Abersychan ยท Politics ยท Labour Party ยท Roy Harris Jenkins
Birth of Roy Harris Jenkins
Birth of Roy Harris Jenkins, later Labour minister, SDP founder and Liberal Democrat peer.
1920, November 11th ยท Great Britain ยท Abersychan ยท Politics ยท Labour Party ยท Arthur Jenkins
Family
Roy Jenkins is born to Arthur Jenkins, a miners' leader and later Labour MP.
1920, November 11th ยท Great Britain ยท Abersychan ยท Politics ยท Labour Party ยท Hattie Jenkins
Family
Roy Jenkins is born to Hattie Harris Jenkins in a Welsh Labour household.
1920, November 11th ยท Great Britain ยท Abersychan ยท Politics ยท Labour Party ยท Roy Harris Jenkins
Family Background
Is born into a Welsh Labour family led by miners' representative Arthur Jenkins.
1920, November 14th ยท Greece ยท Government ยท Government of Greece ยท Eleftherios Venizelos
Election Defeat
Venizelos's Liberal Party loses the election following years of war and national division.
1920, November 15th ยท Belgium ยท Geneva ยท Warfare ยท League of Nations ยท Paul Hymans
League Assembly
Serves as president of the first League Assembly.
1920, November 15th ยท Switzerland ยท Geneva ยท Warfare ยท League of Nations ยท Giuseppe Motta
First Assembly
Opens the first Assembly of the League in Geneva.
1920, November 19th ยท Great Britain ยท Bristol ยท Arts ยท Popular Music ยท Adge Cutler
Birth of Adge Cutler
Birth of Adge Cutler, later associated with Bristol folk music.
1920, November 20th ยท Belgium ยท Brussels ยท Government ยท Government of Belgium ยท Leon Delacroix
Leon Delacroix Government
The Leon Delacroix Government ends in Brussels, concluding this period as head of the Belgian government.
1920, November 20th ยท Belgium ยท Brussels ยท Government ยท Government of Belgium ยท Henri Carton de Wiart
Henri Carton de Wiart Government
Begins the Henri Carton de Wiart Government in Brussels and serves as Prime Minister of Belgium.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Hamar Greenwood
Bloody Sunday
Faces criticism over Crown forces in Ireland.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Hugh Montgomery McMahon
Bloody Sunday
Is among the officers killed in the morning attacks.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Leonard George Price
Bloody Sunday
Is killed during attacks on British intelligence personnel.
1920, November 21st ยท Ireland ยท Dublin Castle ยท Warfare ยท Irish War of Independence ยท Conor Clune
Bloody Sunday
Is killed in Dublin Castle custody.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Nevil Macready
Bloody Sunday
British command faces crisis after the day's violence.
1920, November 21st ยท Ireland ยท Croke Park ยท Warfare ยท Irish War of Independence ยท Michael Hogan
Bloody Sunday
Is killed when Crown forces open fire at Croke Park.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Richard Mulcahy
Bloody Sunday
Supports IRA command during the Dublin operations.
1920, November 21st ยท Ireland ยท Dublin Castle ยท Warfare ยท Irish War of Independence ยท Dick McKee
Bloody Sunday
Is killed in custody at Dublin Castle that night.
1920, November 21st ยท Ireland ยท Dublin Castle ยท Warfare ยท Irish War of Independence ยท Peadar Clancy
Bloody Sunday
Is killed in Dublin Castle after the day's violence.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Paddy Daly
Bloody Sunday
Commands IRA men in the morning operations.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Tom Keogh
Bloody Sunday
Takes part in IRA operations against intelligence targets.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Vincent Byrne
Bloody Sunday
Participates in attacks on British intelligence targets.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Michael Collins
Bloody Sunday
IRA intelligence operations kill British intelligence officers in Dublin.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท Eamon de Valera
Bloody Sunday
The killings intensify the political crisis of the independence war.
1920, November 21st ยท Ireland ยท Dublin ยท Warfare ยท Irish War of Independence ยท John Denton Pinkstone French
Bloody Sunday
British administration is shaken by the Dublin violence.
1920, November 21st ยท Ireland ยท Croke Park ยท Warfare ยท Irish War of Independence ยท John A. Scott
Bloody Sunday
Crown forces enter the ground during the football match.
1920, November 21st ยท Ireland ยท Croke Park ยท Warfare ยท Irish War of Independence ยท Daniel Carroll
Bloody Sunday
Is killed when shots are fired at the match crowd.
1920, November 21st ยท Ireland ยท Croke Park ยท Warfare ยท Irish War of Independence ยท Jane Boyle
Bloody Sunday
Is killed during the Croke Park shooting.
1920, November 21st ยท Ireland ยท Croke Park ยท Warfare ยท Irish War of Independence ยท Jeremiah O'Leary
Bloody Sunday
Dies in the violence at Croke Park.
1920, November 21st ยท Ireland ยท Croke Park ยท Warfare ยท Irish War of Independence ยท Tom Hogan
Bloody Sunday
Witnesses panic as the crowd flees the shooting.
1920, November 21st ยท Jordan ยท Maan ยท House ยท House of Jordan ยท Abdullah I
Arrival in Maan
Abdullah reached Maan with an armed following on 21 November 1920, establishing a base from which he could engage with leaders in Transjordan.
1920, November ยท Germany ยท Warfare ยท Military ยท August von Mackensen
Retirement
Retires from the Army
1920, November ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Nationalization
The Government issues a supplementary decree nationalizing most small scale industries
December 192011 historical events
1920, December 10th ยท Denmark ยท Stockholm ยท Science ยท Medicine ยท Schack August Steenberg Krogh
Capillary Regulation Recognition
Is recognized for explaining blood-flow control in skeletal muscle capillaries.
1920, December 10th ยท Denmark ยท Stockholm ยท Science ยท Medicine ยท Schack August Steenberg Krogh
Nobel Prize in Medicine
Receives the medicine prize for discovering capillary motor regulation.
1920, December 10th ยท Norway ยท Stockholm ยท Arts ยท Literature ยท Knut Hamsun
Nobel Prize in Literature
Is awarded the Nobel Prize in Literature for the novel Growth of the Soil.
1920, December 13th ยท Poland ยท Government ยท Government of Poland ยท Leopold Skulski
Prime Minister of Poland
Appointed Prime Minister of Poland
1920, December 19th ยท Greece ยท Athens ยท Government ยท Government of Greece ยท Constantine Glucksburg Constantine I
Restoration of Constantine I
A referendum and political change restore Constantine I to the throne.
1920, December 23rd ยท Chile ยท Santiago ยท Government ยท Government of Chile ยท Arturo Alessandri Palma
President of Chile
Is inaugurated as President of Chile after winning the closely contested 1920 election.
1920, December ยท Germany ยท Politics ยท NSDAP ยท Adolf Hitler
Voelkischer Beobachter
The NSDAP purchase the Voelkischer Beobachter on the initiative of Chase Bauduin and Dietrich Eckart, who become the first editors
The NSDAP purchase the Voelkischer Beobachter on the initiative of Chase Bauduin and Dietrich Eckart, who become the first editors
1920, December ยท Germany ยท Politics ยท NSDAP ยท Dietrich Eckart
Voelkischer Beobachter
The NSDAP purchase the Voelkischer Beobachter on the initiative of Chase Bauduin and Dietrich Eckart, who become the first editors
1920, December ยท South Korea ยท Government ยท Government of South Korea ยท Syngman Rhee
Government
Assumes duties as President of the Provisional Government
1920, December ยท South Korea ยท Government ยท Government of South Korea ยท Syngman Rhee
Provisional Government
Assumes duties as President of the Provisional Government
1920 ยท Panama ยท Government ยท Government of Panama ยท Ernesto Tisdel Lefevre
Acting President
Appointed Acting President of Panama
1920 ยท Albania ยท Tirana ยท Government ยท Government of Albania ยท Ahmet Zogu
Interior Minister Appointed
Appointed Minister of Interior during postwar state reconstruction
1920 ยท Albania ยท Government ยท Government of Albania ยท Ahmed Zog
Secretary of State for Interior
Appointed Minister of the Interior, 1st term
1920 ยท Austria ยท Government ยท Government of Austria ยท Karl Renner
Foreign Secretary of Austria
Appointed Foreign Minister
1920 ยท Austria ยท Vienna ยท Government ยท Government of Austria ยท Karl Renner
National Council
Appointed Member of National Council
1920 ยท Austria ยท Jena ยท Science ยท Physics ยท Erwin Rudolf Josef Alexander Schrodinger
Jena Appointment
Accepts an academic assistantship in Jena, beginning a rapid series of university appointments in Germany.
1920 ยท Austria ยท Stuttgart ยท Science ยท Physics ยท Erwin Rudolf Josef Alexander Schrodinger
Stuttgart Professorship
Moves from Jena to Stuttgart as an extraordinary professor and continues research in theoretical physics and colour vision.
1920 ยท Austria ยท Science ยท Psychology ยท Sigmund Freud
Freud proposes that the psyche could be divided
Freud proposes that the psyche could be divided into three parts: ego, super-ego, and id, Freud discussed this model in the 1920 essay Beyond the Pleasure Principle
1920 ยท Austria ยท Science ยท Psychology ยท Sigmund Freud
Psychoanalysis
Freud proposes that the psyche could be divided into three parts: ego, super-ego, and id, Freud discussed this model in the 1920 essay Beyond the Pleasure Principle
1920 ยท Belgium ยท Government ยท Government of Belgium ยท Henri Jaspar
Foreign Secretary of Belgium
Appointed Foreign Minister
1920 ยท Belgium ยท Warfare ยท Military ยท Maxime Weygand
Bolshevik Party
Reorganizes the Polish Army during the invasion of Poland by the Bolsheviks
1920 ยท Belgium ยท Warfare ยท Military ยท Maxime Weygand
Invasion of Poland
Reorganizes the Polish Army during the invasion of Poland by the Bolsheviks
1920 ยท Brazil ยท Rio de Janeiro ยท Warfare ยท League of Nations ยท Afranio de Melo Franco
League Representation
Represents Brazil in early League international diplomacy.
1920 ยท Canada ยท Government ยท Government of Canada ยท Arthur Meighen
Prime Minister of Canada
Appointed Prime Minister of Canada, 1st term
1920 ยท Chile ยท Arts ยท Literature ยท Pedro Prado
Alinso
Publication of "Alinso"
1920 ยท Chile ยท Santiago ยท Government ยท Government of Chile ยท Arturo Alessandri Palma
First Presidency
Begins his first presidential administration amid demands for social and political reform.
1920 ยท Chile ยท Santiago ยท Government ยท Government of Chile ยท Juan Luis Sanfuentes Andonaegui
Compulsory Primary Education Law
Promulgates the law making primary education compulsory and expanding state responsibility for schooling.
1920 ยท China ยท France ยท Politics ยท Chinese Communist Party ยท Zhou Enlai
Departure for Europe
Travels to Europe and becomes involved with Chinese student and revolutionary networks.
1920 ยท China ยท Hunan ยท Politics ยท Communist Party ยท Mao Tse-Tung
League of Socialists Youths
Mao Tse-Tung founds the League of Socialists Youths
1920 ยท China ยท Politics ยท Communist Party ยท Mao Tse-Tung
Library of Culture
Mao Tse-Tung organises a "Library of Culture"
1920 ยท China ยท Politics ยท Communist Party ยท Mao Tse-Tung
Marriage
Mao Tse-Tung marries Yang Kai-hui
1920 ยท China ยท Politics ยท Kuomingtang ยท Long Ho
Kuomingtang
Appointed Member of Kuomingtang
1920 ยท China ยท Geneva ยท Warfare ยท League of Nations ยท Wellington Koo
League Delegation
Represents China in League diplomacy.
1920 ยท China ยท Warfare ยท Military ยท Chang Hsueh-Liang
General
Appointed General in the Manchurian army
1920 ยท Cuba ยท Politics ยท Liberal Party ยท Gerardo Machado
Party Leader
Appointed Party Leader of the Liberal Party
1920 ยท Czech Republic ยท Prague ยท Arts ยท Drama ยท Karel Kapek
Drama
1st performance of, "The Insect Play"
1920 ยท Czech Republic ยท Government ยท Government of Czech Rep ยท Thomas Garrigue Masaryk
Election
Elected the first President of Czechoslovakia
1920 ยท Czech Republic ยท Government ยท Government of Czech Rep ยท Thomas Garrigue Masaryk
Independence of Czech Republic
Elected the first President of Czechoslovakia
1920 ยท Czech Republic ยท Government ยท Government of Czech Rep ยท Thomas Garrigue Masaryk
Independence of Czechoslovakia
Elected the first President of Czechoslovakia
1920 ยท Denmark ยท Copenhagen ยท Science ยท Physics ยท Niels Henrik David Bohr
Quantum Periodic System Programme
Extends atomic theory toward the periodic system by relating electron configurations and quantum states to recurring chemical and spectroscopic properties.
1920 ยท France ยท Government ยท Government of France ยท Louis Barthou
Minister of War
Appointed Minister of War
1920 ยท France ยท Paris ยท Humanities ยท Philosophy ยท Jacques Maritain
Art and Scholasticism
Maritain publishes Art and Scholasticism, applying Thomist ideas to aesthetics.
1920 ยท France ยท Vatican ยท Religion ยท Roman Catholic Church ยท Joan of Arc
Canonization
Joan of Arc is officially canonized as a saint
1920 ยท Germany ยท Berlin ยท Arts ยท Cinema ยท Friedrich Wilhelm Murnau
The Head of Janus
Directs Der Januskopf, an unauthorized adaptation of Dr Jekyll and Mr Hyde.
1920 ยท Germany ยท Arts ยท Literature ยท Theodor Daubler
Die Treppe zum Nordlicht
Publication of "Die Treppe zum Nordlicht"
1920 ยท Germany ยท Arts ยท Painting ยท Otto Dix
Painting
Paints, "War Cripples"
1920 ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Konstantin Fehrenbach
Chancellor
Appointed Chancellor of Germany
1920 ยท Germany ยท Government ยท Weimar Republic ยท Konstantin Fehrenbach
Government
A coalition of the Centre, German Democratic Party & the German Peoples Party
1920 ยท Germany ยท Government ยท Weimar Republic ยท Karl Joseph Wirth
Minister of Finance
Appointed Minister of Finance
1920 ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Mathias Erzberger
Resignation of Mathias Erzberger
Forced to resign after accusations of financial misdealing
1920 ยท Germany ยท Government ยท Weimar Republic ยท Karl Eduard Wilhelm Groener
Minister of Transport
Appointed Minister of Transport
1920 ยท Germany ยท Government ยท Weimar Republic ยท Gustav Noske
President of Hanover
Appointed President of the Hanover Province
1920 ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Gustav Ritter von Kahr
Bavarian Reichsrat Representation
Acts as Bavaria's plenipotentiary to the Reichsrat while serving as minister president.
1920 ยท Germany ยท Berlin ยท Government ยท Weimar Republic ยท Gustav Noske
Resignation of Gustav Noske
Resigns after the Kapp Putsch
1920 ยท Germany ยท Politics ยท Communist Party ยท Leo Jogiches
Assassination of Leo Jogiches
Following the assassination of Leo Jogiches, Paul Levi becomes the KPD leader
1920 ยท Germany ยท Politics ยท Communist Party ยท Leo Jogiches
Death of Leo Jogiches
Following the assassination of Leo Jogiches, Paul Levi becomes the KPD leader
1920 ยท Germany ยท Politics ยท Communist Party ยท Paul Levi
Communist Party
Following the assassination of Leo Jogiches, Paul Levi becomes the KPD leader
1920 ยท Germany ยท Politics ยท Communist Party ยท Paul Levi
Party Leader
Following the assassination of Leo Jogiches, Paul Levi becomes the KPD leader
1920 ยท Germany ยท Politics ยท NSDAP ยท Gottfried Feder
National and social bases of the German state
One of the leaders of the anti-capitalistic wing of the NSDAP, publishes several papers, including "National and social bases of the German state"
1920 ยท Germany ยท Politics ยท NSDAP ยท Gottfried Feder
several papers, including "National
One of the leaders of the anti-capitalistic wing of the NSDAP, publishes several papers, including "National and social bases of the German state"
1920 ยท Germany ยท Politics ยท NSDAP ยท Julius Schreck
NSDAP
Schreck joins the Nazi Party in 1920, at about the same time as Adolf Hitler, and the two developed a deep friendship in the early days of Nazi history
1920 ยท Germany ยท Politics ยท NSDAP ยท Rudolf Jung
DAP
Convinces Hitler to use the term "National Socialist" for the DAPs counterpart in Germany; Hitler originally wanted to rename the German DAP the "Social Revolutionary Party"
1920 ยท Germany ยท Berlin ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
Coup
The Government orders Ludendorf & Kapp to disband 2 Freikorps regiments. Luttwitz orders a march on Berlin. Kapp Putsch, General von Luttwitz & Kapp plan to overthrow the Republican Government
1920 ยท Germany ยท Ruhr ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
Coup
Inspired by the general strikes, a communist uprising began in the Ruhr region when 50,000 people formed a "Red Army" and took control of the province
1920 ยท Germany ยท Ruhr ยท Revolution ยท Revolution of Germany ยท Wolfgang Kapp
General Strike
Inspired by the general strikes, a communist uprising began in the Ruhr region when 50,000 people formed a "Red Army" and took control of the province
1920 ยท Germany ยท Ruhr ยท Revolution ยท Revolution of Germany ยท Hans von Seeckt
General Strike
The Kapp Government in Berlin falls after a General strike in the Ruhr
1920 ยท Germany ยท Ruhr ยท Revolution ยท Revolution of Germany ยท Hans von Seeckt
Reballion of Rebels in Ruhr
The Kapp Government in Berlin falls after a General strike in the Ruhr. Seekct becomes Commander of the armed forces & restores order
1920 ยท Germany ยท Warfare ยท Military ยท Julius Schreck
NSDAP
Schreck joins the Nazi Party in 1920, at about the same time as Adolf Hitler, and the two developed a deep friendship in the early days of Nazi history
1920 ยท Germany ยท Ruhr ยท Warfare ยท Military ยท Otto Moritz Walter Model
Communist Rebellion
Involved in the bloody suppression of the 1920 communist uprising in the Ruhr
1920 ยท Germany ยท Warfare ยท Military ยท Werner von Blomberg
Chief of Staff
Appointed Chief of Staff of the Dโberitz Brigade
1920 ยท Germany ยท Warfare ยท Military ยท Hans von Seeckt
Commander in Chief
Appointed Commander in Chief of the Army
1920 ยท Germany ยท Warfare ยท Military ยท Hans von Seeckt
Reform of Armed Forces
Supports liaison with Soviet Russia & sends tank crews & pilots there for training. Remodels the Army as a mobile shock force of 35 divisions
1920 ยท Germany ยท Warfare ยท World War, 1st ยท Erich von Ludendorf
My War Memories, 1914-1918
Publication of "My War Memories, 1914-1918"
1920 ยท Great Britain ยท London ยท Arts ยท Cinema ยท Charles Spencer Chaplin
1st Feature Length Film
Directs his 1st feature length film, "The Kid"
1920 ยท Great Britain ยท London ยท Arts ยท Cinema ยท Charles Spencer Chaplin
The Kid
Directs his 1st feature length film, "The Kid"
1920 ยท Great Britain ยท Arts ยท Cinema ยท Spencer Charles Chaplin
The Kid
Helps make, "The Kid"
1920 ยท Great Britain ยท Arts ยท Literature ยท Arthur Conan Doyle
History of the British Campaign in France and Flanders
Publication of "History of the British Campaign in France & Flanders"
1920 ยท Great Britain ยท Arts ยท Literature ยท D H Lawrence
Women in Love
Publication of "Women in Love"
1920 ยท Great Britain ยท Arts ยท Literature ยท George Orwell
The Lesser Evil Poem
Orwell's poem The Lesser Evil appeared in The College Days while he was a student at Eton.
1920 ยท Great Britain ยท London ยท Economy ยท Bank of England ยท Montagu Norman
Montagu Norman Becomes Governor
Montagu Norman becomes Governor of the Bank of England and begins the longest governorship in the institution's history.
1920 ยท Great Britain ยท London ยท Economy ยท Gold Standard ยท Walter Cunliffe
Cunliffe Committee Final Report
The Cunliffe Committee reiterates that sterling should return to gold at the pre-war parity and that monetary policy should be directed toward that objective.
1920 ยท Great Britain ยท Exploration ยท Exploration and Discovery ยท George Clarke Simpson
Director of the Meteorological Office
Appointed Director of the Meteorological Office
1920 ยท Great Britain ยท London ยท Government ยท Coalition Government ยท Winston Leonard Spencer Churchill
Independence of Great Britain
Proclaims that he is in favour of a Jewish State
1920 ยท Great Britain ยท London ยท Government ยท Coalition Government ยท Winston Leonard Spencer Churchill
Independence of Israel
Proclaims that he is in favour of a Jewish State
1920 ยท Great Britain ยท London ยท Government ยท Coalition Government ยท Winston Leonard Spencer Churchill
Jewish State
Proclaims that he is in favour of a Jewish State
1920 ยท Great Britain ยท Government ยท Coalition Government ยท Curzon Kedleston
Curzon Line
Suggests drawing up a line between Russia & Poland during the Russo-Polish War
1920 ยท Great Britain ยท Grodno ยท Government ยท Coalition Government ยท Curzon Kedleston
Curzon Line
The Curzon Line stretches from Grodno to the Carpathian Mountains
1920 ยท Great Britain ยท Government ยท Coalition Government ยท Vansittart Denham, 1st
Foreign Secretary of Great Britain
Appointed Secretary to the Foreign Secretary Curzon
1920 ยท Great Britain ยท Paris ยท Government ยท Coalition Government ยท Arthur James Balfour Balfour, 1st
Conference of Paris
Attends the Conference as a 2nd Plenipotentiary
1920 ยท Great Britain ยท San Remo ยท Government ยท Coalition Government ยท Arthur James Balfour Balfour, 1st
Conference of San Remo
The Balfour Declaration is confirmed by Allied Governments at the San Remo Conference
1920 ยท Great Britain ยท San Remo ยท Government ยท Coalition Government ยท Arthur James Balfour Balfour, 1st
Declaration of Balfour
The Balfour Declaration is confirmed by Allied Governments at the San Remo Conference
1920 ยท Great Britain ยท St Germain ยท Government ยท Coalition Government ยท Arthur James Balfour Balfour, 1st
Treaty of St Germain
Main architect of the Treaty of St Germain
1920 ยท Great Britain ยท London ยท Government ยท Coalition Government ยท Christopher Addison
Health Administration
Centralises public health administration within the new ministry.
1920 ยท Great Britain ยท Government ยท Government of Great Britain ยท Forster Lepe
Governor
Appointed Governor General of Australia
1920 ยท Great Britain ยท Government ยท Government of Great Britain ยท John Rushworth Rushworth Jellicoe, 1st
Governor
Appointed Governor General of New Zealand
1920 ยท Great Britain ยท Tehran ยท Government ยท Liberal Party Government ยท Charles Greenway
Armitage-Smith Royalty Settlement Offer
Anglo-Persian offers one million pounds to settle disputed Persian royalty claims through the Armitage-Smith negotiations.
1920 ยท Great Britain ยท Tehran ยท Government ยท Liberal Party Government ยท Charles Greenway
Persian Damage Claims Waived
Waives claims over wartime pipeline damage while seeking a broader settlement of royalty disputes with Persia.
1920 ยท Great Britain ยท House ยท House of Windsor ยท George V
Succession
Succeeds as King of Northern Ireland
1920 ยท Great Britain ยท London ยท House ยท House of Windsor ยท Hogg Hailsham, 1st
Attorney General
Appointed Attorney General to the Prince of Wales
1920 ยท Great Britain ยท Winchester ยท Politics ยท Labour Party ยท Richard Howard Stafford Crossman
Winchester College
Wins a scholarship to Winchester College and develops a reputation for intellectual ability.
1920 ยท Great Britain ยท Keighley ยท Politics ยท Labour Party ยท Denis Winston Healey
Childhood
Healey grows up in Keighley in the West Riding of Yorkshire after early childhood in the south.
1920 ยท Great Britain ยท Politics ยท Labour Party ยท Clement Richard Attlee Attlee, 1st
The Social Worker
Writes his first book, "The Social Worker", sets out many of the principles of his political philosophy
1920 ยท Great Britain ยท Politics ยท Liberal Party ยท Henry Herbert Asquith Oxford, 1st
Independent Liberal Return
Returns to Parliament as an Independent Liberal.
1920 ยท Great Britain ยท Politics ยท Liberal Party ยท Henry Herbert Asquith Oxford, 1st
Member of Parliament
Elected Independent Liberal, 1920-1924
1920 ยท Great Britain ยท Ulster ยท Politics ยท Unionist Party ยท Edward Carson Duncairn
Home Rule
When the Government of Ireland Act 1920 is introduced, advises his party to work for the exemption of six Ulster counties from Home Rule as the best compromise (a compromise he had previously rejected)
1920 ยท Great Britain ยท Ulster ยท Politics ยท Unionist Party ยท Edward Carson Duncairn
Legislation
When the Government of Ireland Act 1920 is introduced, advises his party to work for the exemption of six Ulster counties from Home Rule as the best compromise (a compromise he had previously rejected)
1920 ยท Great Britain ยท Ulster ยท Politics ยท Unionist Party ยท Edward Carson Duncairn
Rule of Ireland
When the Government of Ireland Act 1920 is introduced, advises his party to work for the exemption of six Ulster counties from Home Rule as the best compromise (a compromise he had previously rejected)
1920 ยท Great Britain ยท Science ยท Astronomy ยท Arthur Eddington
Discovery of Sun
Proposes that the pressures and temperatures at the core of the Sun could produce a nuclear fusion reaction that merged hydrogen (protons) into helium nuclei, resulting in a production of energy from the net change in mass
1920 ยท Great Britain ยท Birmingham ยท Sport ยท Football ยท Tom Lyons
Postwar FA Cup Defensive Contribution
Tom Lyons was part of Aston Villa's defensive organisation as the club won the 1920 FA Cup in the first postwar campaign.
1920 ยท Great Britain ยท Brentford ยท Sport ยท Football ยท Harry Curtis
Brentford Football League Membership
Curtis became associated with Brentford's early Football League years, preceding the rise that transformed the club during the interwar period.
1920 ยท Great Britain ยท Portsmouth ยท Sport ยท Football ยท John McCartney
McCartney Guides Portsmouth Into Football League
McCartney manages Portsmouth as the club joins the Football League Third Division, moving beyond its Southern League beginnings.
1920 ยท Great Britain ยท Warfare ยท Civil War ยท David Lloyd George Dwyfor, 1st
Black & Tans
Introduces a force of ex-servicemen counter the threat of the IRA
1920 ยท Great Britain ยท London ยท Warfare ยท League of Nations ยท Arthur James Balfour Balfour, 1st
League Council
Represents British interests in League diplomacy.
1920 ยท Great Britain ยท Warfare ยท Military ยท William Raine Marshall
Commander in Chief
Appointed Commander of the Northern Army in India
1920 ยท Great Britain ยท London ยท Warfare ยท Military ยท Robert Baden-Powell Baden-Powell, 1st
Chief Scout
Appointed Chief Scout of the World
1920 ยท Great Britain ยท London ยท Warfare ยท Military ยท Robert Baden-Powell Baden-Powell, 1st
Scouts
Founds the 1st boy scout jamboree
1920 ยท Great Britain ยท London ยท Warfare ยท Military ยท Ironside Ironside, 1st
Commander of North Persia
Appointed Commander of the Allied forces in North Persia
1920 ยท Great Britain ยท Cork ยท Warfare ยท Military ยท Bernard Law Montgomery Alamein, 1st
Brigadier General
Appointed Brigadier-Major to the 17th Infantry Brigade in Cork
1920 ยท Great Britain ยท Camberley ยท Warfare ยท Military ยท Bernard Law Montgomery Alamein, 1st
Staff College Camberley Course
Attends the Staff College at Camberley to prepare for higher staff and command appointments.
1920 ยท Greece ยท House ยท House of Denmark ยท Constantine I
Death of Constantine I
Death of Alexander, his younger son who was ruling Greece
1920 ยท Greece ยท Athens ยท House ยท House of Denmark ยท Constantine I
Election
Constantine I returns to Greece after the defeat of Venizrlos at the election
1920 ยท Greece ยท Athens ยท House ยท House of Denmark ยท Constantine I
Exile of Constantine I
Constantine I returns to Greece after the defeat of Venizrlos at the election
1920 ยท Greece ยท Athens ยท House ยท House of Denmark ยท Constantine I
Plebiscite
Succeeds as King of Greece, restored after a plebiscite
1920 ยท Greece ยท Athens ยท House ยท House of Denmark ยท Constantine I
Restoration
Succeeds as King of Greece, restored after a plebiscite
1920 ยท Greece ยท Athens ยท House ยท House of Denmark ยท Constantine I
Succession
Succeeds as King of Greece, restored after a plebiscite
1920 ยท Greece ยท Athens ยท House ยท House of Denmark ยท Paul I
Succession
Refused the crown after the death of his brother Alexander
1920 ยท Greece ยท Athens ยท Warfare ยท League of Nations ยท Eleftherios Venizelos
League Membership
Supports Greek participation in the postwar League system.
1920 ยท Hungary ยท Government ยท Government of Hungary ยท Miklos Horthy de Nagybanya
Coup
Appointed leader of the Government after overthrowing the Communists
1920 ยท Hungary ยท Government ยท Government of Hungary ยท Miklos Horthy de Nagybanya
Prime Minister of Hungary
Appointed leader of the Government after overthrowing the Communists. Appointed Aid De Camp to Emperor Francis Joseph
1920 ยท Hungary ยท Government ยท Government of Hungary ยท Miklos Horthy de Nagybanya
Constitution of Hungary
Creates the Kingdom of Hungary
1920 ยท Hungary ยท Budapest ยท Government ยท Government of Hungary ยท Miklos Horthy de Nagybanya
Regency
Appointed Regent
1920 ยท Hungary ยท Government ยท Government of Hungary ยท Teleki
Foreign Secretary of Hungary
Appointed Foreign Minister
1920 ยท Hungary ยท Government ยท Government of Hungary ยท Teleki
Prime Minister of Hungary
Appointed Prime Minister of Hungary, 1st term
1920 ยท Hungary ยท Government ยท Government of Hungary ยท Teleki
Treaty of Trianon
Secures the ratification of the Treaty of Trianon
1920 ยท Hungary ยท Budapest ยท House ยท House of Hungary ยท Miklos Horthy de Nagybanya
Regency
Appointed Regent of Hungary, self-appointed
1920 ยท Hungary ยท House ยท House of Hungary ยท Miklos Horthy de Nagybanya
Restoration
Prevents the efforts of Charles IV to recover the throne
1920 ยท Hungary ยท Budapest ยท Revolution ยท Revolution of Hungary ยท Miklos Horthy de Nagybanya
Coup
The Communist Bela Kun regime is overthrown by Romanian & Czech intervention
1920 ยท India ยท Bihar and Orissa ยท Government ยท Government of India ยท Sinha Raipur, 1st
Governor
Satyendra Prasanna Sinha is appointed Governor of Bihar and Orissa.
1920 ยท India ยท Politics ยท All India Home Rule League ยท Bal Gangadhar Tilak
All India Home Rule League
The All India Home Rule League elects Mahatma Gandhi as its President, in a year, the body meges into the Indian National Congress to form a united Indian political front
1920 ยท India ยท Politics ยท All India Home Rule League ยท Bal Gangadhar Tilak
Home Rule
The All India Home Rule League elects Mahatma Gandhi as its President, in a year, the body meges into the Indian National Congress to form a united Indian political front
1920 ยท India ยท Politics ยท All India Home Rule League ยท Mohandas Karamchand Gandhi
All India Home Rule League
The All India Home Rule League elects Mahatma Gandhi as its President, in a year, the body meges into the Indian National Congress to form a united Indian political front
1920 ยท India ยท Politics ยท All India Home Rule League ยท Mohandas Karamchand Gandhi
Home Rule
The All India Home Rule League elects Mahatma Gandhi as its President, in a year, the body meges into the Indian National Congress to form a united Indian political front
1920 ยท India ยท Politics ยท Congress Party ยท Mohandas Karamchand Gandhi
Civil Disobedience
Mahatma Gandhi launches an anti-British civil disobedience campaign
1920 ยท India ยท Politics ยท Congress Party ยท Motilal Nehru
President of India
Appointed President of the Indian National Congress
1920 ยท India ยท Politics ยท Indian National Congress ยท Lal Bahadur Shastri
Natal Indian Congress Party
Appointed Member of Indian National Congress
1920 ยท India ยท Politics ยท National Congress ยท Mohandas Karamchand Gandhi
Home Rule
The All India Home Rule League elects Mahatma Gandhi as its President, in a year, the body meges into the Indian National Congress to form a united Indian political front
1920 ยท India ยท Politics ยท National Congress ยท Mohandas Karamchand Gandhi
Indian National Congress
The All India Home Rule League elects Mahatma Gandhi as its President, in a year, the body meges into the Indian National Congress to form a united Indian political front
1920 ยท India ยท Religion ยท Islam ยท Aga Khan III
Aligarh Univ
Helps found the Aligarh Muslim University
1920 ยท India ยท Calcutta ยท Science ยท Astronomy ยท Meghnad Saha
Ionization Equation
Meghnad Saha formulates the thermal ionization equation that links stellar temperatures with the ionization states seen in spectra.
1920 ยท Iran ยท Government ยท Government of Iran ยท Mohammad Mosaddeq
Minister of Justice
Appointed Minister of Justice
1920 ยท Iran ยท Government ยท Government of Iran ยท Muhammad Mossadeq
Minister of Justice
Appointed Minister of Justice
1920 ยท Iraq ยท House ยท House of Hussein ยท Faisal I
Agreement of Sykes-Picot
Iraq is carved out of the Ottoman Empire by the French & British
1920 ยท Iraq ยท Warfare ยท Anglo-Iraq War ยท Faisal I
Independence of Iraq
The Great Iraqi Revolution, known in Iraq as Ath Thawra al Iraqiyya al Kubra and by the British as the Arab Revolt of 1920. Rebellion by Iraqi Arabs against the rule of the British Mandate, the rebellion is suppressed by the British military
1920 ยท Iraq ยท Baghdad ยท Warfare ยท League of Nations ยท Faisal Hussein Faisal I
British Mandate
League mandate arrangements shape the new Iraqi kingdom.
1920 ยท Ireland ยท Dublin ยท Government ยท Government of Ireland ยท Eamon de Valera
Dail Eireann
Helps found the Dail Eireann, Irish Assembley. Appointed Leader of the Dail Eireann, Irish Assembley
1920 ยท Ireland ยท Dublin ยท Government ยท Government of Ireland ยท Eamon de Valera
Leader Dail Eireann
Appointed Leader of the Dail Eireann, Irish Assembley
1920 ยท Ireland ยท Politics ยท IRA ยท Dick McKee
Flying Columns
Collins is credited with organising the IRAs guerrilla "flying columns" but the main organiser is Dick McKee
1920 ยท Ireland ยท Politics ยท IRA ยท Michael John "Mick" Collins
Bounty
The British offer a bounty of ล10,000 for information leading to the capture or death of Michael Collins
1920 ยท Ireland ยท Politics ยท IRA ยท Michael John "Mick" Collins
Flying Columns
Collins is credited with organising the IRAs guerrilla "flying columns" but the main organiser is Dick McKee
1920 ยท Ireland ยท Politics ยท Sinn Fein ยท Eamon de Valera
Election
In the local elections Sinn Fein win control of all the county councils except Antrim, Down, Londonderry and Armagh. In the 1920 city council elections, Sinn Fein gain control of ten of the twelve city councils in Ireland, only Belfast and Derry remain under Unionist and IPP (respectively) control
1920 ยท Ireland ยท Politics ยท Sinn Fein ยท Eamon de Valera
Dail Eireann
Refuses to sit in the British Parliament
1920 ยท Ireland ยท Politics ยท Sinn Fein ยท Eamon de Valera
Dail Eireann
Joins Nationalists in forming the Irish Assembly, the Dail Eireann
Appointed President of the World Zionist Organisation
1920 ยท Italy ยท Government ยท Liberal Party Government ยท Giovanni Giolitti
Prime Minister of Italy
Appointed Prime Minister of Italy, 5th term
1920 ยท Italy ยท Politics ยท Communist Party ยท Antonio Gramsci
Strike
Supports the strikes in favour of workers councils & campaigns for the PSI
1920 ยท Italy ยท Religion ยท Roman Catholic Church ยท Benedict XV
Canonization
Canonization of Margaret Mary Alacoque. Canonization of Joan of Arc. Canonization of Gabriel of the Sorrowful Mother
1920 ยท Italy ยท Rome ยท Warfare ยท League of Nations ยท Tommaso Tittoni
League Council
Represents Italy in early League diplomacy.
1920 ยท Japan ยท Government ยท Government of Japan ยท Shimpei Goto
Home Secretary of Japan
Appointed Home Minister
1920 ยท Japan ยท Tokyo ยท Government ยท Government of Japan ยท Shimpei Goto
Mayor
Appointed Mayor of Tokyo
1920 ยท Japan ยท Geneva ยท Warfare ยท League of Nations ยท Kikujiro Ishii
League Council
Represents Japan in League Council affairs.
1920 ยท Jordan ยท Damascus ยท House ยท House of Jordan ยท Abdullah I
Battle of Maysalun Aftermath
The French defeat of Faisal's government at Maysalun ended the short-lived Arab kingdom in Syria and helped prompt Abdullah to mobilize in support of the Syrian Arab cause.
1920 ยท Jordan ยท Baghdad ยท House ยท House of Jordan ยท Abdullah I
Iraqi Throne Proposal
An Iraqi congress proclaimed Abdullah king of Iraq, but the proposed arrangement did not take effect and his brother Faisal eventually became the country's monarch.
1920 ยท Jordan ยท Maan ยท House ยท House of Jordan ยท Abdullah I
Transjordanian Delegations
Local notables travelled to Maan to welcome Abdullah and urged him to advance north to lead the emerging political movement in Transjordan.
1920 ยท Mexico ยท Government ยท Government of Mexico ยท Alvaro Obregon
President of Mexico
Appointed President of Mexico, 1st term
1920 ยท Mexico ยท Mexico City ยท Government ยท Government of Mexico ยท Venustiano Carranza
Death of Venustiano Carranza
General Obregon leads an armed rebellion against Carranza
1920 ยท Mexico ยท Government ยท Government of Mexico ยท Plutarco Elisas Calles
1920 ยท Mexico ยท Mexico City ยท Warfare ยท Civil War ยท Alvaro Obregon
Coup
Overthrows Carranza
1920 ยท Netherlands ยท Leiden ยท Science ยท Physics ยท Albert Einstein
Spacetime Ether Reinterpreted in Leiden
In his Leiden address Einstein argued that general relativity gives spacetime physical properties while rejecting the mechanical luminiferous ether required by nineteenth-century theories of light.
1920 ยท New Zealand ยท London ยท Government ยท Government of New Zealand ยท James Allen
High Commissioner
Appointed High Commissioner to London
1920 ยท Norway ยท Arts ยท Literature ยท Knut Hamsun
Nobel Prize
Winner of the Nobel Prize for Literature
1920 ยท Norway ยท Warfare ยท League of Nations ยท Fridtjof Nansen
League of Nations
Leads the Norwegian delegation to the 1st League of Nations Assembly
1920 ยท Norway ยท Geneva ยท Warfare ยท League of Nations ยท Fridtjof Nansen
Refugee Work
Leads League work for refugees after the First World War.
1920 ยท Pakistan ยท Politics ยท Indian National Congress ยท Mohammed Ali Jinnah
Indian National Congress
Jinnah resigns from the Congress, warning that Gandhis method of mass struggle would lead to divisions between Hindus and Muslims and within the two communities
1920 ยท Pakistan ยท Politics ยท Muslim League ยท Mohammed Ali Jinnah
Indian National Congress
Jinnah breaks with the Congress iwhen the Congress leader, Mohandas Gandhi, launched a Non-Cooperation Movement against the British, which Jinnah disapproved of.
1920 ยท Pakistan ยท Politics ยท Muslim League ยท Mohammed Ali Jinnah
Indian National Congress
Jinnah has little liking for either the Hindu asceticism of Gandhi or the secular socialism of the other major Congress leader, Jawaharlal Nehru.
1920 ยท Pakistan ยท Politics ยท Muslim League ยท Mohammed Ali Jinnah
Indian National Congress
Jinnah resigns from the Congress, warning that Gandhis method of mass struggle would lead to divisions between Hindus and Muslims and within the two communities.
1920 ยท Pakistan ยท Religion ยท Islam ยท Mohammed Ali Jinnah
Indian National Congress
Jinnah breaks with the Congress iwhen the Congress leader, Mohandas Gandhi, launched a Non-Cooperation Movement against the British, which Jinnah disapproved of.
1920 ยท Pakistan ยท Religion ยท Islam ยท Mohammed Ali Jinnah
Indian National Congress
Jinnah has little liking for either the Hindu asceticism of Gandhi or the secular socialism of the other major Congress leader, Jawaharlal Nehru.
1920 ยท Pakistan ยท Religion ยท Islam ยท Mohammed Ali Jinnah
Indian National Congress
Jinnah resigns from the Congress, warning that Gandhis method of mass struggle would lead to divisions between Hindus and Muslims and within the two communities.
Establishes an influential international publication for set theory and topology.
1920 ยท Poland ยท Paris ยท Science ยท Medicine ยท Marie Sklodowska Curie
Curie Institute
Develops the Curie laboratory as a centre for radioactivity research.
1920 ยท Poland ยท Warfare ยท Military ยท Tadeusz Bor Komorowski
Commander of 12th Cavalry
Appointed Commander of the Podolski Lancers
1920 ยท Poland ยท Warfare ยท Military ยท Josef Klemens Pilsudski
Field Marshal
Appointed Field Marshal
1920 ยท Poland ยท River Vistula ยท Warfare ยท Russia War ยท Josef Klemens Pilsudski
Battle of Vistula
Drives the Bolsheviks out of Poland
1920 ยท Poland ยท River Vistula ยท Warfare ยท Russia War ยท Josef Klemens Pilsudski
Bolshevik Party
Drives the Bolsheviks out of Poland
1920 ยท Poland ยท Warfare ยท Russia War ยท Josef Klemens Pilsudski
Field Marshal
Appointed Field Marshal
1920 ยท Romania ยท Government ยท Government of Romania ยท Alexandru Averescu
Prime Minister of Romania
Appointed Prime Minister of Romania, 2nd term
1920 ยท Romania ยท Politics ยท Peoples League ยท Alexandru Averescu
Election
Averescu established the Peoples League political group which triumphs in Romanias elections
1920 ยท Russia ยท Arts ยท Classical Music ยท Igor Stravinsky
Pulcinella
Composes, "Pulcinella"
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Grigory Yevseyevich Zinoviev
Congress of Communist Party, 11th
"We do not permit the legal existence of those who strive to compete with us"
1920 ยท Russia ยท Government ยท Government of Russia ยท Leon Trotsky
Congress of Trades Unions, 3rd
At the Congress speaks in favour of the compulsory conscription of Labor
1920 ยท Russia ยท Georgia ยท Government ยท Government of Russia ยท Sergei Mironovich Kirov
Ambassador
Appointed Ambassador of Georgia
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
Ahead of the Second Congress of the Communist International Lenin sends out a number of documents, including his Twenty-one Conditions to all socialist parties which the Congress adopts as prerequisites for any group wanting to become affiliated to the International.
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
Ahead of the Second Congress of the Communist International, held in July-August 1920, Lenin sent out a number of documents, including his "21 Conditions" to all socialist parties
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
The 21 Conditions call for the demarcation between Communist parties and other socialist groups and instruct the Comintern sections not to trust the legality of the bourgeois states & call for the build-up of party organisations along democratic centralist lines, in which the party press and Parliamentary factions would be
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
The 21 Conditions called for the demarcation between Communist parties and other socialist groups, and instructed the Comintern sections not to trust the legality of the bourgeois states.
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
21 Conditions
under the direct control of the party leadership.
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
Ahead of the Second Congress of the Communist International Lenin sends out a number of documents, including his Twenty-one Conditions to all socialist parties which the Congress adopts as prerequisites for any group wanting to become affiliated to the International.
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
The 21 Conditions call for the demarcation between Communist parties and other socialist groups and instruct the Comintern sections not to trust the legality of the bourgeois states & call for the build-up of party organisations along democratic centralist lines, in which the party press
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
The 21 Conditions called for the demarcation between Communist parties and other socialist groups, and instructed the Comintern sections not to trust the legality of the bourgeois states. Ahead of the Second Congress of the Communist International, held in July-August 1920, Lenin sent out a number of documents, including his "21 Conditions" to all socialist parties
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
The second congress lays down the "Twenty-one Conditions" for membership, firmly establishing a differentiation between the socialist parties and the Communist parties. The Comintern sponsors the Red International of Labour Unions.
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
and Parliamentary factions would be under the direct control of the party leadership.
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Comintern
27 countries attend the 2nd meeting of the Comintern in Moscow
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Congress of Comintern, 2nd
The second congress lays down the "Twenty-one Conditions" for membership, firmly establishing a differentiation between the socialist parties and the Communist parties
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Congress of Comintern, 2nd
27 countries attend the 2nd meeting of the Comintern in Moscow
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Economy of Russia
The Supreme Economic Council runs 37,000 businesses with a workforce of 2 million
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Nationalization
The Government issues a supplementary decree nationalizing most small scale industries. The Supreme Economic Council runs 37,000 businesses with a workforce of 2 million
1920 ยท Russia ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Red International
The Comintern sponsors the Red International of Labour Unions
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Reform of Government
Forwards the 21 Points requiring national parties to impose disciplined guidlines
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
SEC
The Supreme Economic Council runs 37,000 businesses with a workforce of 2 million
1920 ยท Russia ยท Moscow ยท Government ยท Government of Russia ยท Vladimir Ilyich Ulyanov Lenin
Supreme Economic Council
The Supreme Economic Council runs 37,000 businesses with a workforce of 2 million
1920 ยท Russia ยท Government ยท Government of Russia ยท Pyotr Nikolayevich Wrangel
Commander in Chief
Appointed Commander in Chief
1920 ยท Russia ยท Government ยท Government of Russia ยท Yuly Osipovich Martov
Editor
From Berlin prints the Socialist Courier in opposition to the Government of Lenin
1920 ยท Russia ยท Government ยท Government of Russia ยท Georgi Maksimilanovich Malenkov
Communist Party
Appointed Member of Communist Party
1920 ยท Russia ยท Government ยท Government of Russia ยท Joseph Stalin
Revolutionary Military Council
Appointed Member of Revolutionary Military Council
1920 ยท Russia ยท Politics ยท Bolshevik Party ยท Vladimir Ilyich Ulyanov Lenin
Bolshevik Party
The defunct Second International is reorganized
1920 ยท Russia ยท Politics ยท Bolshevik Party ยท Vladimir Ilyich Ulyanov Lenin
International, 2nd
The defunct Second International is reorganized
1920 ยท Russia ยท Paris ยท Politics ยท Exile Politics ยท Alexander Fedorovich Kerensky
Russian Exile Politics
Works among Russian democratic emigrants after the civil war.
1920 ยท Russia ยท Moscow ยท Politics ยท International, 3rd ยท Leon Trotsky
Manifesto of the Second World Congress
Contributes to the manifesto of the Communist International's Second World Congress.
1920 ยท Russia ยท Politics ยท International, 3rd ยท Leon Trotsky
Nationalism in Lenin
Writes Nationalism in Lenin while discussing Lenin's approach to internationalism and national questions.
1920 ยท Russia ยท Politics ยท International, 3rd ยท Leon Trotsky
Terrorism and Communism
Publishes Terrorism and Communism, defending Bolshevik revolutionary methods in a polemic against Karl Kautsky.
1920 ยท Russia ยท Paris ยท Warfare ยท Military ยท Symon Petlyura
Exile of Symon Petlyura
Seeks exile in Paris
1920 ยท Russia ยท Ukraine ยท Warfare ยท Military ยท Nikita Sergeyevich Khruschev
Civil War Political Service
Continues political work with Red Army units during the final stages of the Civil War.
1920 ยท Saudi Arabia ยท Aseer ยท Warfare ยท Military ยท Abdulaziz bin Abdulrahman Al Saud
Battle of Hijla
Completes the campaign bringing much of Aseer under Saudi authority.
1920 ยท Saudi Arabia ยท Aseer ยท Warfare ยท Military ยท Faisal bin Abdulaziz Al Saud
Battle of Hijla
Supports Saudi military and administrative consolidation in Aseer.
1920 ยท Spain ยท Government ยท Government of Spain ยท Eduardo Dato Iradier
Prime Minister of Spain
Appointed Prime Minister of Spain, 3rd term
1920 ยท Spain ยท Warfare ยท Military ยท Francisco Paulino Hermenegildo Franco-Bahamonde
Deputy Commander
Appointed Deputy Commander of the Spanish Foreign Legion in Morocco
1920 ยท Sweden ยท Government ยท Government of Sweden ยท Karl Hjalmar Branting
Prime Minister of Sweden
Appointed Prime Minister of Sweden, 1st term
1920 ยท Sweden ยท Stockholm ยท Warfare ยท League of Nations ยท Hjalmar Branting
Aland Islands
Supports League mediation over the Aland Islands dispute.
1920 ยท Switzerland ยท Government ยท Government of Switzerland ยท Giuseppe Motta
President of Switzerland
Appointed President of the Swiss Confederation, 2nd term
1920 ยท Switzerland ยท Berne ยท Warfare ยท League of Nations ยท Giuseppe Motta
League of Nations
Opens the 1st session of the League of Nations
1920 ยท Turkey ยท Ankara ยท Government ยท Government of Turkey ยท Maustafa Kemal Ataturk
Constitution of Turkey
Endorsed by the legal Ottoman Parliament & the new National Assembly at Ankara
1920 ยท Turkey ยท Ankara ยท Government ยท Government of Turkey ยท Maustafa Kemal Ataturk
National Assembly
Endorsed by the legal Ottoman Parliament & the new National Assembly at Ankara. A new National Assembly at Ankara
1920 ยท Turkey ยท Ankara ยท Government ยท Government of Turkey ยท Maustafa Kemal Ataturk
Constitution of Turkey
The National Assembly proclaims the State of Turkey with Ataturk as President
1920 ยท Turkey ยท Ankara ยท Government ยท Government of Turkey ยท Maustafa Kemal Ataturk
Declaration of State of Turkey
The National Assembly proclaims the State of Turkey with Ataturk as President
1920 ยท Turkey ยท Ankara ยท Government ยท Government of Turkey ยท Maustafa Kemal Ataturk
National Assembly
The National Assembly proclaims the State of Turkey with Ataturk as President
1920 ยท Turkey ยท Government ยท Government of Turkey ยท Maustafa Kemal Ataturk
President of Turkey
Appointed President of Turkey
1920 ยท United States of America ยท Arts ยท Literature ยท Edith Wharton
The Age of Innocence
Publication of "The Age of Innocence"
1920 ยท United States of America ยท Arts ยท Literature ยท F Scott Fitzgerald
This Side of Paradise
Publication of "This Side of Paradise"
1920 ยท United States of America ยท Arts ยท Literature ยท Sinclair Lewis
Main Street
Publication of "Main Street"
1920 ยท United States of America ยท New Orleans ยท Politics ยท Assassination of Kennedy, JF ยท Clay LaVerne Shaw
Move to New Orleans
By 1920, Shaw's family had moved from Kentwood to New Orleans, where he spent much of his youth.
1920 ยท United States of America ยท Politics ยท Republican Party ยท Warren Gamaliel Harding
President of United States of America
Appointed Presidential Candidate
1920 ยท United States of America ยท Science ยท Astronomy ยท Edwin Powell Hubble
Colour of the Nebulous Stars
Edwin Hubble and Frederick H. Seares publish a study of the colours of nebulous stars, using photometric evidence to investigate stars associated with nebular material.
1920 ยท United States of America ยท Science ยท Astronomy ยท Edwin Powell Hubble
Photographic Investigations of Faint Nebulae
Hubble's doctoral research is published as Photographic Investigations of Faint Nebulae in the Publications of the Yerkes Observatory, presenting his systematic photographic study of faint nebular objects.
1920 ยท United States of America ยท Science ยท Astronomy ยท Edwin Powell Hubble
Planetary Nebula IC 2003
Hubble publishes an observational note on the planetary nebula IC 2003, adding a focused study of a compact nebular object to his early Mount Wilson research.
1920 ยท United States of America ยท Science ยท Astronomy ยท Edwin Powell Hubble
Spectrum of NGC 1499
Hubble publishes a spectroscopic study of NGC 1499 in Publications of the Astronomical Society of the Pacific, extending his early investigations of emission and reflection nebulae.
1920 ยท United States of America ยท Science ยท Astronomy ยท Edwin Powell Hubble
Twelve New Variable Stars
Hubble reports twelve newly identified variable stars in Publications of the Astronomical Society of the Pacific, broadening the observational record of stellar variability.
1920 ยท United States of America ยท Berlin ยท Science ยท Physics ยท Albert Einstein
Anti-Relativity Campaign
Publicly confronts organized attacks on relativity amid growing political and antisemitic hostility.
1920 ยท Vietnam ยท Hue ยท Government ยท Government of Vietnam ยท Le Duc Anh