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Archduke Ferdinand of Austria-Hungary and his wife are assassinated by a Serbain
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Austira-Hungary declares war on Serbia
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Russia Mobilizes
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Germany Declares war on Russia
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Germany declares war on France
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Briatain Declares war on Germany
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Austria-Hungary declares war on Russia
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United States joins the war
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France adn Britain declar war on Austria-Hungary
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Armistice
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Treaty of Versailles