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Assassination of Archduke Franz Ferdinand
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Austria-Hungary seeks German support for war
Approved -
Austria-HUngary sends an ultimatum to Serbia
Response seen as unsatisfactory -
Austria-Hungary declares war on Serbia
-
Germany declares war on Russia
-
Germany declares war on France
-
Germany invades Belgium
-
The United Kingdom declares war on Germany
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Montenegro declares war on Austria-Hungary
-
Austria-Hungary declares war on Russia
-
Serbia declares war on Germany
-
Montenegro declares war on Germany
-
France declares war on Austria-Hungary
-
The United Kingdom declares war on Austria-Hungary
-
Austria-Hungary declares war on Belgium
-
Japan declares war on Germany
-
Japan declares war on Austria-Hungary
-
Russia declares war on Ottoman Empire
-
Montenegro declares war on Ottoman Empire
-
France and the United Kingdom declare war on Ottoman Empire
-
Period: to
First use of poison gas
German use -
Italy declares war on Austria-HUngary
-
Bulgaria declares war on Serbia
-
The United Kingdom declares war on Bulgaria
-
France declares war on Bulgaria
-
Italy and Russia declare war on Bulgaria
-
Germany declares war on Portugal
-
Romania enters war on Entente side
-
Italy declares war on Germany
-
Period: to
British use armored tanks for first time in history
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USA declares war on Germany
-
Greece declares war on Central Powers
-
USA declares war on Austria-Hungary
-
Germany and Russia sign an armistice
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Woodrow Wilson outlines his 14 points
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Ottomans invade Armenia
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Bulgaria signs an armistice with the Allies
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Ottoman Empire sign the armistice of Mudros
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Austria-Hungary signs the armistice with Italy
-
Germany signs armistice of Compiegne
-
Germany officially surrenders
-
Period: to
Treaty of Versialles
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Official end of WWI