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Death of Franz Ferdinand
Archduke Franz Ferdinand of Austria-Hungary is assassinated in Sarajevo. This begins to turn the wheels of war. -
Russia Sends troops into Serbia.
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Germany begins submarine warfare on merchant vessels
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Great Russian Retreat begins
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Period: to
Germany invades Serbia
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Battle of Verdun begins
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Battle of The Somme begins
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Italy declares war on Germany
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Paul von Hindenburg becomes German Chief of Staff
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Battle of the Somme ends in a draw
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Zimmermann Telegram intercepted by allies
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US declares war on Germany
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Bolshevik Revolution begins in Russia
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Russian armistice with Germany
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Period: to
Allies break throught the Hindenberg line and push towards Germany
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Meuse-Argonne Offensive begins
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Kaiser William II abdicates and a Republic is proclaimed in Germany.
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Austro-Hungarian Kaiser Charles I abdicates
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Germany evacuates Belgium
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Treaty of Versailles is signed, ending The Great War
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First meeting of the League of Nations officially ended war