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The assassination of the Archduke investigated the beginning of World War I.
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Archduke and his wife got shot by Gavrilo Princep. He got assassanated on June 28, 1914
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The most effective gas was called Mustard gas. It was introduced by Germany in July 1917.
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This happened when Germany waged submarine warfare against the United Kingdom which had implemented a naval blockade of Germany
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The causing of this was because of the assassanation of Archduke.
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Wilson was reelected on Tuesday November 7.
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A secret diplomatic communication issued from the German Foreign office in January 1917
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U.S declares war on Germany on April 2,1917
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On November 7, 1917 The Russia,s Bolshevik Revolution overthrew the provisional government.
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The war lasted from July 28, 1914 - November 11, 1918. It ended at 11 am on the eleventh month in 1918. Germany signed an armistice that Britain and France had prepared.
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The most important of the peace treaties that brought World War I to an end.