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they killed arch duke ,Austro-Hungarian empire
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Austria-Hungary declares war on Serbia
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Germany declares war on Russia
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Germany declares war on France http://www.thepeoplehistory.com/1920s.html
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Britain declares war on Germany
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Wilson declares policy of US neutrality
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Russia invades East Prussia 17th threw the 19
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apan declares war on Germany
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Unofficial Christmas truce declared by soldiers along the Western Front
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Britain announces blockade of German ports
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British capture Baghdad
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US declares war on Germany
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US declares war on Austria-Hungary
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German U-boats appear in US waters for first time
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forced all german troops back, Ludendorff calls it a "black day" for German army
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germany republic was founded
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Start of peace negotiations in Paris
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The war started to end and troops started to come around and better condions
http://www.historyorb.com/events/date/1920
