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The assassination of Archduke Francis Ferdinand of Austria-Hungary and his wife sophie leads to World War I. The United States reamins neutral.
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Nearly 1,200 people, including 128 American citizens die when a German submarine sinks the Lusitania.
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Avoiding war helps President Wilson win reelection.
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The United States enters the war.
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An armistice ends the war on November 11th 1918.
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An influenza epidemic kills millions worldwide
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