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Historical person

Constantine I Biography

Historical biography and chronological timeline for Constantine I, based on 32 World History Database records associated with Greece.

32 records1868–192325 events9 places

Chronological biography

1868

Birth of Constantine I12 July 1868
House / House of Denmark · King · Athens

Birth of Constantine I, eldest son of George I

1889

Marriage1889
House / House of Denmark · King · Athens

Marries Sophia, sister of Kaiser William II

1909

Coup1909
House / House of Denmark · King

The Military League a group of Greek officers takes action against the Government to reform their countrys national Government and reorganize the army

Exile of Constantine I1909
House / House of Denmark · King

Forced into exile by army officers

Military League1909
House / House of Denmark · King

The Military League a group of Greek officers takes action against the Government to reform their countrys national Government and reorganize the army

National Government1909
House / House of Denmark · King

The Military League a group of Greek officers takes action against the Government to reform their countrys national Government and reorganize the army

1910

Constitution of Greece1910
House / House of Denmark · King

Venizelos persuades the king to revise the constitution and asks the Military League to disband in favor of a National Assembly, in March 1910 the Military League dissolves itself

Military League1910
House / House of Denmark · King

Venizelos persuades the king to revise the constitution and asks the Military League to disband in favor of a National Assembly, in March 1910 the Military League dissolves itself

National Assembly1910
House / House of Denmark · King

Venizelos persuades the king to revise the constitution and asks the Military League to disband in favor of a National Assembly, in March 1910 the Military League dissolves itself

1913

Death of Constantine I1913
House / House of Denmark · King

Death of George I, assassinated

Rule of Samos1913
House / House of Denmark · King · Samos

The Greek fleet raises the Greek flag on Samos

Succession18 March 1913
House / House of Denmark · King · Salonika

Succeeds as King of Greece in the newly occuppied city of Salonika

Treaty of London30 May 1913
Warfare / Balkan Wars, 1st · King · London

Greece accepts the peace settlement ending the First Balkan War and shares in the Ottoman cession of European territory west of the Enos-Midia line.

Greek Entry into the War30 June 1913
Warfare / Balkan Wars, 2nd · Crown Prince · Greek Commander in Chief · Kilkis

Leads Greek forces against Bulgaria after the outbreak of war.

1914

Neutrality1914
Warfare / World War, 1st · King

Greece is forced to remain neutral because of Allied naval power

1915

Battle of Dardanelles1915
Warfare / World War, 1st · King · Dardanelles

Venizelos wishes to send 3 Greek Divisions to the Dardanelles Constantine refuses. Venizelos resigns over Constantines policy

ElectionMarch 1915
Warfare / World War, 1st · King

Venizelos wins the election & is returned to power

Siege of SalonikaMarch 1915
Warfare / World War, 1st · King · Salonika

Urges the Germans to invade Greece & recapture Salonika from the Allies

1916

Government1916
Warfare / World War, 1st · King

Venizelos forms a rival Government in Crete & Salonika with Allied support

Capture of Fort RupelMay 1916
Warfare / World War, 1st · King · Fort Rupel

Bulgaria captures Fort Rupel & enters Macedonia, a threat to the Allies

Capture of KavallaAugust 1916
Warfare / World War, 1st · King · Kavalla

Bulgaria captures the port of Kavalla

Siege of Athens1 December 1916
Warfare / World War, 1st · King · Athens

Greek royalist troops attack an Allied landing party

1917

Capture of Athens1917
Warfare / World War, 1st · King · Athens

The Allies occupy Athens to counter Constantines support for the Central Powers

Abdication12 June 1917
House / House of Denmark · King · Athens

Abdicates in favour of his younger son Alexander

1920

Death of Constantine I1920
House / House of Denmark · King

Death of Alexander, his younger son who was ruling Greece

Election1920
House / House of Denmark · King · Athens

Constantine I returns to Greece after the defeat of Venizrlos at the election

Exile of Constantine I1920
House / House of Denmark · King · Athens

Constantine I returns to Greece after the defeat of Venizrlos at the election

Plebiscite1920
House / House of Denmark · King · Athens

Succeeds as King of Greece, restored after a plebiscite

Restoration1920
House / House of Denmark · King · Athens

Succeeds as King of Greece, restored after a plebiscite

Succession1920
House / House of Denmark · King · Athens

Succeeds as King of Greece, restored after a plebiscite

1922

Abdication26 September 1922
House / House of Denmark · King · Athens

Abdicates for the 2nd time after the Greek defeat by Turkey

1923

Death of Constantine I11 January 1923
House / House of Denmark · King · Palermo

Death of Constantine I

Titles and roles

Crown Prince · Greek Commander in Chief · King

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.