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archduke ferdinand got shot
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start of World war 1
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united states joined WW1
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end of World war 1
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treaty of versailles was signed
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Women's right to vote 1920
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stock market crash
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start of dust bowl
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end of dust bowl
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start of world war two
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bombing of pearl harbor
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united states joined WW2
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D-Day in Normandy
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atomic bomb droping
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end of world war 2