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The assassination of Archduke instigated the beginning of World War l
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Austria-Hungary declares war on Serbia
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First use of gas weapons by the Germans. This was a crule way of war and killed many innocent people.
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On May 7th 1915 a German U-boat sank the Lusitaina and took the lives of 128 American citizens. This event made the United States want to join the War
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Wilson ran his campaign on the promise of the United States would stay neutral during World War l
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In January 1917 Author Zimmerman sent a letter to Mexico asking them to invade the lower states of the United States. The letter was captured causing many tentions in World War l.
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In April 1917 the United States declares war on Germany. This was an important event because this was the biggest war ever.
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In November 1917 the Bolsheviks led by Lenin overthrow the Russia Government which led to the creation of the Soviet Union
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On November 11, 1918 the War ends and everyone is happy
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On June 28, 1919 the axis power signs the treaty of Versailles.
