Austro-Hungarians declared war on Serbia and subsequently invaded
Assassination of Archduke Franz Ferdinand of Austria
Period: to
World War I
Austria-Hungary seeks German support for a war against Serbia
Austria-Hungary sends an ultimatum to Serbia
Austria-Hungary declares war on Serbia. Russia mobilizes
Began the World War
Germany declares war on Russia
Germany invades Luxembourg.
The United Kingdom declares war on Germany
Austria-Hungary declares war on Russia.
Austria-Hungary declares war on Russia.
France declares war on Austria-Hungary.
The Germans occupy Brussels.
Japan declares war on Germany.
Battle of Zanzibar, German naval victory
Bombardment of Papeete German Light Cruiser Emden attacks Madras
Russia declares war on the Ottoman Empire.
The United Kingdom begins the naval blockade of Germany.
France and the United Kingdom declare war on the Ottoman Empire.
Fighting begins at Noyon.
The Russian offensive in the Carpathians begins. It will continue until April 12.
First Zeppelin raid on Great Britain
Germany begins unrestricted submarine warfare against merchant vessels
British and French naval attack on the Dardanelles. The Gallipoli Campaign begins
The Siege of Przemyśl ends. The Russians capture the fortress.
Allied forces land on Gallipoli, landing at Anzac Cove and Cape Helles
First Battle of Krithia. The Allied advance is repelled.[
The Gorlice-Tarnów begins: the German troops under General Mackensen break through the Russian lines in Galicia.
The British liner Lusitania is sunk by a German U-boat
Third Battle of Krithia. Yet another Allied failure.
Mackensen breaks again through the Russian lines in the Lviv area.
The Germans occupy Warsaw.
Battle of the Nek, a phase of the August Offensive.
Germany suspends unrestricted submarine warfare.
A French army lands in Salonika and, with the help of British and Italian troops, sets up a Balkan Front.
The First Siege of Kut, Mesopotamia, by the Ottomans begins
Togoland is divided into British and French administrative zones.
Douglas Haig replaces John French as commander of the British Expeditionary Force.
The Gallipoli Campaign ends in an Allied defeat and an Ottoman victory
The Gallipoli Campaign ends in an Allied defeat and an Ottoman victory
The United States of America declares war on Germany
Battle of Lagnicourt, part of the Second phase of the Second Battle of Arras.
The British forces under siege at Kut surrender to the Ottomans, first siege of Kut ends.
The Brusilov Offensive begins
The Battle of the Somme begins
Battle of Mlali.
The Central Powers create a unified command.
The Central Powers create a unified command.
The Germans occupy Bucharest. The capital of Romania moved to Iaşi.
Battle of Magdhaba in the Sinai peninsula
Togoland is divided into British and French administrative zones.
Battle of Rafa. The British drive the Ottomans out of Sinai.
The German Foreign Secretary Arthur Zimmermann sends a telegram to his ambassador in Mexico, instructing him to propose to the Mexican government an alliance against the United States.
Greece: King Constantine I abdicates
The Third Battle of Ypres (aka Battle of Passchendaele) begins.
Battle of Broodseinde (part of the final phases of the Battle of the Third Battle of Ypres).
Battle of Broodseinde (part of the final phases of the Battle of the Third Battle of Ypres).
Battle of Buqqar Ridge.
Russia signs a preliminary armistice with Germany.
Woodrow Wilson outlines his Fourteen Points.
Germans capture Kiev.
Royal Air Force founded by combining the Royal Flying Corps and the Royal Naval Air Service.
Treaty of Bucharest between Romania and the Central Powers. It will never be ratified.
Action of Arsuf.
Battle of Hamel.
The Tsar and his family were shot early in the morning by the Bolsheviks.
The British capture Jisr ed Damieh in the Battle of Sharon.
