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treaty of versailles is signed ending world war one.
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archduke ferdinand is assassinated
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Austria-Hungary declares war on Serbia
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Germany declares war on France an Russia
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ottoman empire declares war on the allies
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allies defeat the Germans at the first battle
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president wilson issues his " fourteen points"
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Russians leave the war
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Attack on Lusitania
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British intercept Zimmerman telegram
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united states enters the war
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Germany agrees to an armistice and fighting ends
