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assassination of archduke Franz Ferdinand in Sarajevo
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Russia declared war on Austria-Hungary
Germany agreed to help Austria-Hungary and encouraged the war -
Austria-Hungary declared war on Serbia
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Germany declared war on Russia
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Germany declared war on france
France wat war by treaty -
Britain declared war on Germany
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Japan declared war with Germany
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Austria-Hungary declares war on japan
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Italy joined war
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United states enterd war
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China Declared war with Germany
