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Forming of Triple Alliance
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Military alliance between France and Russia formed
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Japan became an ally of Britain
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Forming of Triple Entente
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Assassination of Francis Ferdinand
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Austria-Hungary declares war on Serbia
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Full mobilization of Russian troops
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Germany declares war on Russia
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Germany declares war on France
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World War I begins
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Defense of the Realm Act
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Battle of the Marne
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Battle of Gallipoli
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Sinking of the Lusitania
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Battle of Verdun
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Battle of Jutland
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Battle of the Somme
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Interception of the Zimmerman Note
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Germany resumes unrestricted submarine warfare
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The March Revolution
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Nicholas II abdicates his throne
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The US enter the war
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The Bolsheviks seize power
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The Influenza Epidemic
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Treaty of Brest-Litovsk
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German republic created
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German republic signs armistice
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Paris Peace Conference
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The League of Nations is accepted
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Treaty of Versailles