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Archduke Franz Ferdinand assassinated
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Austria declares war on Serbia
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Germany declares war on Russia
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Germany invades Belgium and declares war on France
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Britain declares war on Germany
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Ottoman Empire joins war on Germany's side
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Lusitania is sunk
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Italy declares war on Germany and Austria
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President Wilson re-elected
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Lloyd George becomes Prime Minister
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Wilson releases Zimmerman Telegram to public
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Protesters confront soldiers in Petrograd
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Tsar Nicholas II abdicates
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United States declares war on Germany
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Bolsheviks seize power in Petrograd
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White Army begins to organize
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President Wilson announces 14 Points
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Treaty of Brest-Litovsk Signed
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First major battle between the Red and White armies
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President Wilson agrees to intervention in Northern Russia
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President Wilson agrees to intervention in Siberia
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Abdicated Tsar Nicholas II and family murdered
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US troops land in Vladivostok (Siberia)
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US troops land in Archangel (Northern Russia)
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WW1 Armistice
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Paris Peace Conference starts
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US Secretary of War withdrawal from Northern Russia
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US troops leave Archangel
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Germany accepts Treaty of Versailles
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US troops leave Vladivostok
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Last Major battle of the Civil War (Perekop)