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Archduke Franz Ferdinand and his wife were Assassinated while visiting Sarajevo, Bosnia. He was next in line for the Austro-Hungarian throne. The killings set off decades old tensions in Europe and started WWI.
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Since the Archduke Franz Ferdinand of Austria, heir to the Austro-Hungarian throne, was killed in Sarajevo along with his wife Duchess Sophie by Bosnian Serb Gavrilo Princip. Austria declares war on Serbia (put link of photo in project)
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Even though the Germans were the first to use toxic gas on the battlefield, it became the primary chemical weapon of the Allies and it was responsible for 85% of chemical weapon deaths in World War I
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While Germany waged submarine warfare against the United Kingdom the Lusitania was passing by and Germany thought it was a supply ship. the boat was Identified and torpedoed by the German u-boat U-20. The boat sank in 18 minutes.
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President Wilson immediately declared American neutrality after he was reelected in 1916. He said: "It is a war with which we have nothing to do, whose causes cannot touch us".
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The Zimmermann Telegram or Zimmermann Note was a secret note issued from the German Foreign Office in January 1917 to Mexico that asked for an alliance if we joined war world I.
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U.S. Entry into World War I, 1917. On April 2, 1917, President Woodrow Wilson went before Congress to request a declaration of war against Germany.
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On Nov. 7, 1917, Russia’s Bolshevik Revolution took place as forces led by Vladimir Ilyich Lenin overthrew the provisional government of Alexander Kerensky.
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At the 11th hour on the 11th day of the 11th month of 1918, the Great War ends. At 5 a.m. that morning, Germany, supply of manpower and supplies and faced with imminent invasion, signed an armistice agreement with the Allies in a railroad car outside Compiégne, France.
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Treaty of Versalies was the most important treaty in the ending of World War I. It was signed in Paris, France.
