Assassination of Valentinian II
Death of Valentinian II, assassinated
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On this date in world history
May 15 in History
This permanent archive page contains 216 World History Database records for May 15, spanning 392 to 2025. Recorded topics include Assassination of Valentinian II; Death of Valentinian II; papal interdict of 1208 against England is lifted.
Total: 216Events: 188Births: 4Deaths: 7Battles: 17Countries: 38
Events on May 15
papal interdict of 1208 against England is lifted
The papal interdict of 1208 against England is lifted
Reform of Government
Agrees to Pope innocent IIIs demands that England & Ireland become a papal fiefdom
Marriage
Alexander II narries Marie de Coucy
Constitution of England
Forced to accept de Montforts conditions & the rule of the Barons
Mise of Amiens
Montfort becomes de facto ruler of England. Establishes Government by council divesting Henry III of real power
Invasion of Ireland
Departs from Ireland after receiving the surrender of 80 Irish chiefs. Claims territorry known as the "English Pale"
Execution
Captured & executed at Hexham, virtually putting an end to Lancastrian resistance
Execution
Captured & executed at the Battle of Hexham by Lord Montagu
Convocation of Clergy
Thomas Cromwell prevents the Convocation of the Clergy
Reform of Church Governance
Prevents the Convocation of the Clergy without the permission of the King
Reform of Church Governance
Thomas Cromwell prevents the Convocation of the Clergy. New canons require royal assent & existing ones will be vetted by a royal commission
Reformation, The
The Submission of the Clergy was subscribed, which recognised Royal Supremacy over the church so that it could no longer make canon law without royal licencei.e., without the King's permissionthus emasculating it as a law-making body
Submission of the Clergy
The clergy submit their lawmaking authority to the Crown and agree not to enact canons without royal licence.
Submission of the Clergy
The Submission of the Clergy was subscribed, which recognised Royal Supremacy over the church so that it could no longer make canon law without royal licencei.e., without the King's permissionthus emasculating it as a law-making body
Supremacy
The Submission of the Clergy was subscribed, which recognised Royal Supremacy over the church so that it could no longer make canon law without royal licencei.e., without the King's permissionthus emasculating it as a law-making body
Execution
Anne believes Henry will not allow her execution & will send her to a nunnery
Peerage
Accused by Cromwell of adultery with 5 lovers including her brother Lord Rochford
Treason
Found guilty of treason & condemned to death. Found guilty of treason
Trial
Ane Boleyn is found guilty & will burned or beheaded according to Henry VIIIs wishes
Trial
Found guilty of treason. Anne believes Henry will not allow her execution & will send her to a nunnery. Accused by Cromwell of adultery with 5 lovers including her brother Lord Rochford
Trial
Accused by Cromwell of adultery with 5 lovers including her brother Lord Rochford
Trial
Anne Boleyn and George Boleyn are tried for high treason before a court of peers.
Trial
Found guilty & will be burned or beheaded according to Henry VIII's wishes
Marriage
Marries Queen Mary after allegedly raping her at Dunbar & forcing her consent
Marriage
Marries the Earl of Bothwell at the Great Hall of Holyrood
Exile of Mary of Scots
Escapes to Dundrennan Abbey & in a written letter appeals to Elizabeth I for support
Atlantic-Mediterranean Waterway
Creates a navigable route linking the Garonne basin with the Mediterranean.
Canal du Midi Opened
The Canal du Midi opens after years of construction.
King's Bench and Fleet Prisons Conference
Manages a parliamentary conference on amendments to legislation regulating the King's Bench and Fleet prisons.
Declaration of War
Declares war on France and Spain with the Grand Alliance.
Grand Alliance War
Faces war with the Grand Alliance.
Prime Minister of Great Britain
Appointed Prime Minister of Great Britain, 2nd term
Invasion of Siam
Death of Alaungpaya, dies of malaria after returning from a failed invasion of Siam
Treaty of Saint Petersburg
Tsar Peter III loans Frederick a Russian army corps. Ends the war between Prussia & Russia, saves Frederick from almost total defeat
Treaty of Saint Petersburg
Saves Frederick from almost total defeat, Peter loans Frederick a Russian army corp. Ends the war between Prussia & Russia
Departmental Administration Proposal
Saint-Just proposed suppressing departmental administrations as resistance to central revolutionary authority increased.
Capture of Venetian Rep
Occupies the Venetian Republic
Entry into Milan
Napoleon entered Milan after the victory at Lodi, strengthening French control of Lombardy during the Italian campaign.
Plot
A shot is fired at George III in a Drury Lane theater. A failed assassination attempt takes place during a review in Hyde Park
Plot
James Hadfield fires shots at George III at the Theatre Royal in Drury Lane
Plot
James Hadfield fires shots at George III at the Theatre Royal in Drury Lane
London to Ladysmith via Pretoria
Takes part in operations around the siege and relief of Ladysmith.
Boer Peace Deliberations
Supports negotiations ending prolonged resistance to British forces.
Vereeniging Peace Conference
Participates in the Boer peace conference at Vereeniging.
Vereeniging Peace Conference
The Treaty of Vereeniging ends the Second Boer War.
British Inquiry Californian Evidence
Gives evidence about the ship seen from Californian before the rockets are observed.
British Inquiry Log Evidence
Gives evidence about Californian's log practices and the bridge observations made on the night Titanic sank.
British Inquiry Wireless Evidence
Gives evidence about Californian's wireless communications and the ice warning sent to Titanic.
Conspiracy Trial
Is convicted after the WSPU window-smashing campaign.
Conspiracy Trial
Is convicted with WSPU leaders over militant protest organization.
Suffrage Imprisonment
Receives imprisonment for conspiracy connected with militant suffrage action.
Titanic Identity Opinion
States during the British inquiry that he later believed the passenger steamer he observed was Titanic.
WSPU Imprisonment
Serves imprisonment for conspiracy connected with property damage.
Chunuk Bair Approaches Reconnoitred
Overton scouts routes north of ANZAC and reports that approaches toward the Sari Bair heights are lightly held.
Festubert Offensive Opened
Haig's First Army begins a night offensive intended to exploit limited artillery preparation around Festubert.
Monash Valley Sniper Wound
Bridges is shot by an Ottoman sniper while inspecting the front in Monash Valley.
Resignation of Fisher
Churchill calls for reinforcements for the Dardanelles despite Fishers wishes
Second First Sea Lord Term Ends
Fisher's second tenure as First Sea Lord ends after his wartime resignation.
Invasion of Turkey
The Greeks land at Smyrna in an attempt to invade Turkey
Siege of Smyrna
The Greeks land at Smyrna in an attempt to invade Turkey
Winnipeg General Strike
Supports workers during the Winnipeg General Strike.
Building Materials Bill
Debates proposals concerning the charges and supply of building materials.
Assassination of Tsuyoshi Inukai
Assassinated for trying to restrain the army in Manchuria
Constitution of Japan
Party Government is effectively brought to an end as the military takes over
Prime Minister of Japan
Appointed Prime Minister of Japan
Prime Minister of Poland
Appointed Prime Minister of Poland
EPR Paper
Einstein, Podolsky and Rosen publish their argument that quantum mechanics may not provide a complete description of physical reality.
Franklin Medal
Receives the Franklin Medal in recognition of his work in relativity and the photoelectric effect.
Moscow Metro Opening
Participates in the political oversight surrounding the opening of the first Moscow Metro line.
Prime Minister of Poland
Appointed Prime Minister of Poland
End of Paul-Emile Janson Government
The Paul-Emile Janson Government ends in Brussels, concluding this period as Prime Minister of Belgium.
First Paul-Henri Spaak Government
Begins the First Paul-Henri Spaak Government in Brussels and serves as Prime Minister of Belgium.
European Situation
Argues that the failure of appeasement requires stronger diplomatic and military coordination with states threatened by Germany.
Attorney General
Appointed Attorney General
Capture of Netherlands, The
The Dutch sign the document of capitulation
Capture of Netherlands, The
The Dutch sign the document of capitulation
Invasion of Netherlands, The
The Dutch sign the document of capitulation
Invasion of Netherlands, The
The Dutch sign the document of capitulation
Invasion of Netherlands, The
General Winckelmann capitulates
Result of Surrender of Netherlands
The Netherlands ends organised military resistance to Germany.
Siege of Paris
Informed Touchon will try to create a defensive line outside Paris
Sixth Army
Suports the German 6th Army in Flanders
Solicitor General
Appointed Solicitor General
Surrender of Netherlands
Holland surrenders to Germany
Afrika Korps
The 1st British operation against the Afrika Korps, attempts to throw the Axis forces back from the Egyptian frontier
Invasion of Russia
The original day planned for operation Barbarossa
Operation Barbarossa
The original day planned for operation Barbarossa
Operation Brevity
The 1st British operation against the Afrika Korps, attempts to throw the Axis forces back from the Egyptian frontier
Conference of Trident
The Allies agree to invade Sicily to knock Italy out of the War
Conference of Trident
The Allies agree to the completion of "Roundup" by 1st May 1944
Invasion of Sicily
The Allies agree at Trident to proceed with the invasion of Sicily as part of the Mediterranean strategy
Operation Roundup
The Allies agree to the completion of "Roundup" by 1st May 1944
Operation Tube Alloys
The Allies agree to develop the atomic bomb, operation "Tube Alloys"
Final Overlord Commanders Conference
Presents the final ground plan to senior commanders and political leaders before D-Day.
Hungarian Mass Deportations Begin
Oversees the start of systematic deportations from Hungary.
Operation Overlord
Montgomerry presents Overlord plans to senior commanders, the King, Smuts & Churchill
Operation Overlord
Final conference at Montgomerys HQ in St Pauls School
Operation Overlord
Presents the final plan to senior commanders, the King, Smuts & Churchill at St Pauls. Expresses his belief that that Allied tanks will reach Falaise on D-Day
Operation Overlord
The Americans are assigned Utah and Omaha, the British Gold and Sword, and the Canadians Juno Beach.
Operation Overlord
Montgomerry presents the Overlord plan to Commanders, the King, Smuts & Churchill
Transports to Auschwitz Start
German and Hungarian authorities send mass transports toward Auschwitz.
Aid
Senate votes funds for Greece & Turkey against communist insurgency
Marshall Plan
Senate votes funds for Greece & Turkey against communist insurgency
Rule of Greece
Senate votes funds for Greece & Turkey against communist insurgency
Rule of Turkey
Senate votes funds for Greece & Turkey against communist insurgency
Senate votes funds for Greece & Turkey against communist insurgency
Senate votes funds for Greece & Turkey against communist insurgency
Invasion of Israel
The Arabs invade Israel on the day the British mandate ends
Palestine War
Commits Egyptian forces to the war following the end of the British Mandate in Palestine.
Prime Minister of Israel
1st day of the War of Independence
Reform of Immigration Law
Israel abolishes restrictions on immigration
Constitution of Indonesia
A unitary Republic of Indonesia is agreed
Commonwealth
Returns from the Commonwealth tour
Returns from the Commonwealth tour
Returns from the Commonwealth tour
Amnesty
Grants amnesty to surviving Moncada prisoners.
Amnesty
Is released from prison under Batista's amnesty.
Amnesty
Is released with other Moncada prisoners.
Austrian State Treaty
The four occupying powers and Austria sign the State Treaty restoring Austrian sovereignty.
Austrian State Treaty
The four occupying powers sign the Austrian State Treaty, leading to the withdrawal of occupation forces.
Austrian State Treaty
Russia, Britain, France & the USA sign a Treaty restoring Austrian independence. Raab takes part in negotiating the Austrian State Treaty, which ends the four-power occupation of Austria and restores Austrias independence and neutrality
Constitution of Austria
Austria is not allowed to join Germany & must remain neutral
Independence of Austria
Russia, Britain, France & the USA sign a Treaty restoring Austrian independence. Austria is not allowed to join Germany & must remain neutral
Neutrality
Russia, Britain, France & the USA sign a Treaty restoring Austrian independence. Raab takes part in negotiating the Austrian State Treaty, which ends the four-power occupation of Austria and restores Austrias independence and neutrality. Austria is not allowed to join Germany & must remain neutral
Political Amnesty
Almeida is released with other Moncada prisoners under Batista's May 1955 political amnesty.
Political Amnesty
Fidel Castro is released from prison under Batista's political amnesty after serving about twenty-two months following the Moncada attack.
Political Amnesty
Raúl Castro is released from prison under the May 1955 political amnesty granted to surviving participants in the Moncada attack.
Rule of Austria
Raab takes part in negotiating the Austrian State Treaty, which ends the four-power occupation of Austria and restores Austrias independence and neutrality
Conference of Paris
Before the Summit Khruschev demands Eisenhower stop U-2 spying over Russia, he refuses
Conference of Paris
Khruschev demands Eisenhower stop U-2 spying over Russia, he refuses
Khruschev demands Eisenhower stop U-2 spying over Russia, he refuses
Khruschev demands Eisenhower stop U-2 spying over Russia, he refuses
European Cup Winners Cup
Puts Spurs in the history books when they became the first British club to win a major European trophy, Spurs defeat favourites Atl‚tico Madrid 5-1 to win the European Cup Winners Cup
Faith 7 Mercury
Cooper launches aboard Faith 7 on the final crewed mission of Project Mercury.
Invasion of Sinai
Nasser orders the United Nations peacekeeping force out of the Sinai
Mobilization
Closure of the Tiran Straits
Mobilization
Nasser moves 100,000 men with tanks & artillery guns into the Sinai
Jackson State Shooting
Killed by police gunfire during protests at Jackson State College
Jackson State Shooting
Killed by police gunfire near Jackson State College
Corrective Revolution
Removes leading rivals from government and consolidates his control of the presidency.
Government
An assassination attempt is made on Wallace while campaigning in the Maryland primary
Okinawa Reversion
The US returns Okinawa to Japan
IAEA Safeguards Agreement
Iran's safeguards agreement with the IAEA under the Nuclear Non-Proliferation Treaty enters into force.
PFLP
PFLP terrorists take a school in Maalot, Israel, 26 people are killed including 21 children after an unsuccessful rescue attempt
Second Impeachment Subpoena
Issues an additional subpoena for presidential conversations after concluding Nixon's earlier response did not satisfy the committee's evidentiary needs.
Siege of Maalot
PFLP terrorists take a school in Maalot, Israel, 26 people are killed including 21 children after an unsuccessful rescue attempt
Sunningdale Agreement
Leads a deputation of the Ulster Workers Council to wishing to destroy the agreement
Evaporating Black Hole Stress Tensor
With Stephen Fulling and William Unruh, calculates the quantum stress-energy tensor in a collapse model supporting the standard picture of black hole evaporation.
Evaporating Black Hole Stress Tensor
With Paul Davies and William Unruh, calculates the quantum stress-energy tensor near an evaporating black hole.
Government Ends
His government ends in Helsinki, concluding this term as Prime Minister of Finland.
Prime Minister
Takes office as Prime Minister of Finland and forms a government in Helsinki.
S-21 Expansion
Tuol Sleng S-21 prison expands interrogation operations
Price Commission
The Price Commission is abolished
Pebble Island Raid
Commands D Squadron in the raid that destroys eleven Argentine aircraft on Pebble Island.
Shariat Act
Parliament adopts the Enforcement of Shariat Act under Nawaz Sharif.
Constitution of Afghanistan
Afghanistan is declared an Islamic State
Constitution of Afghanistan
Afghanistan is declared an Islamic State
Mujahideen
Kabul falls to the Mujahideen
Siege of Kabul
Kabul falls to the Mujahideen
Impeachment Charges Defeated
Survives a State Duma attempt to impeach him on five separate charges.
President of Italy
Appointed President of Italy, acting
President of Italy
Appointed President of Italy, acting
Resignation of Binyamin Netanyahu
Resigns as Prime Minister of Israel
General
Appointed General Secretary of the Arab League
Champions League Final Assist
Provides the cross that Zinedine Zidane converts with his famous winning volley.
Champions League Final Equaliser
Heads Bayer Leverkusen level against Real Madrid in the Champions League final.
Final Unbeaten League Match Winning Goal
Scores the winner against Leicester City as Arsenal complete the Premier League season unbeaten.
Pluto Moons
Hubble images reveal two faint candidate satellites near Pluto, later named Nix and Hydra.
Ambassador
Ambassador of the Princes Trust, an honarary appointment made by Prince Charles Charity in London to raise awareness for young people looking for work
Removal from State Sponsors List Announced
Washington begins the process of removing Libya from its state sponsors of terrorism list.
United States Relations Restored
The United States announces restored diplomatic relations and removal of Libya's terrorism designation.
Invasion of Iraq
President Bush selects Lt Gen Douglas Lute to oversee war policy in Iraq and Afghanistan
Invasion of Iraq
President Bush selects Lt Gen Douglas Lute to oversee war policy in Iraq and Afghanistan
Hydroxyl on Venus
Venus Express detects hydroxyl in Venus's upper atmosphere, the first detection of the molecule in another planet's atmosphere.
Same-Sex Marriage
The California Supreme Court ruling permits same-sex marriages in the state
Hubble Battery Module Replaced
Good helps replace the first of Hubble's two battery modules, renewing the observatory's electrical storage system.
Hubble Gyroscope Units Replaced
Massimino helps replace all three Hubble gyroscope rate-sensing units during Servicing Mission 4.
Chelsea European Trophy
Wins a European trophy during his interim managerial period.
Europa League Victory
Guides Chelsea to Europa League victory over Benfica.
Great Red Spot Smallest Measured Size
Hubble measurements show Jupiter's Great Red Spot has shrunk to its smallest size then recorded.
Peace and Reconciliation Agreement
The government and Platform coalition sign the Algiers peace and reconciliation agreement.
Operation Warp Speed Launch
Announces initiative to accelerate COVID-19 vaccine development.
2021 FA Cup Final Winning Goal
Scores from long range as Leicester City win their first FA Cup.
Sunak Chequers Meeting
Meets Rishi Sunak and discusses long-range weapons and a coalition to provide modern fighter aircraft.
Assassination Attempt
Survives a shooting after a government meeting in Handlova.
Gaza Maritime Aid Shipment
Supports shipment of more than one hundred tonnes of aid toward the temporary maritime pier serving Gaza.
Yemen Humanitarian Aid Increase
Announces increased humanitarian aid intended to help hundreds of thousands of people facing food insecurity in Yemen.
Erdogan Ankara Peace Talks
Meets Recep Tayyip Erdogan while seeking direct leader-level talks and a ceasefire with Russia.
First Quarter GDP Growth
ONS estimates that GDP grew by 0.7 percent during the first quarter of 2025.
First Quarter GDP per Head Growth
ONS estimates that real GDP per head grew by 0.5 percent in the first quarter.
Births on May 15
Birth of Klemens Wenzel Nepomuk Lothar von Metternich
Birth of Klemens Wenzel Nepomuk Lothar von Metternich
Birth of Pierre Curie
Birth of Pierre Curie in Paris.
Birth of Jean Renoir
Birth of Jean Renoir
Birth of James Mason
Birth of James Mason
Deaths on May 15
Death of Valentinian II
Death of Valentinian II, assassinated
Death of Henry Beaufort
Death of Henry Beaufort
Death of Herbert
Death of Edward Herbert, executed
Death of John Beaufort
Death of Henry Beaufort, executed
Death of Anne Boleyn
Found guilty of treason & condemned to death
Death of Tsuyoshi Inukai
Death of Tsuyoshi Inukai, assassinated for trying to restrain the army in Manchuria
Death of Philip Snowden
Death of Philip Snowden
Battles on May 15
Battle of Chesterfield
Henry of Amaine overwhelms the Earl of Derbys knights ending the Second Barons War
Battle of Chesterfield
Henry of Amaine overwhelms the Earl of Derbys knights ending the Second Barons War
Battle of Hexham
Forced to surrender to Lord Montagu & immediately beheaded
Battle of Hexham
Captured & executed at the Battle of Hexham by Lord Montagu
Battle of Hexham
Executes Somerset & Lord Roos & Lord Hungerford. Defeats a Lancastrian army led by Henry Beaufort, 3rd Duke of Somerest. By the middle of the year the Nevilles wipe out Lancastrian opposition in the north
Battle of Hexham
After victory Edward Neville is rewarded with the hereditary Earldom of Northumberland
Battle of Langside
Defeats the Royalists who have helped Mary Queen of Scots escape from Loch Leven
Battle of Arakere
Tipu Sultan fights Cornwallis's army near Arakere while attempting to prevent the allied advance toward Srirangapatna.
Battle of Talana Hill
Buller drives away the Boers from Dundee
Battle of Talana Hill
Buller drives away the Boers from Glencoe
Battle of Dardanelles
Churchill and Fisher continually quarreled throughout the campaign, and Fisher finally resigned on 15 May 1915 after repeated threats to do so
Battle of Dardanelles
Fishers resignation, on top of poor progress in the campaign, precipitated the fall of the Government and Churchills replacement as First Lord
Battle of Dardanelles
Fishers resignation, on top of poor progress in the campaign, precipitated the fall of the Government and Churchills replacement as First Lord. Churchill and Fisher continually quarreled throughout the campaign, and Fisher finally resigned on 15 May 1915 after repeated threats to do so
Battle of Turubah
Directs Saudi policy during the victory over Hashemite forces at Turubah.
Battle of Turubah
Commands Saudi fighters during the victory at Turubah.
Battle of France
Confronts the crisis created by the German breakthrough at Sedan.
Battle of River Meuse
Suports the German 6th Army in Flanders