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  Calvin Coolidge wins his first election
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  The NBC radio network is formed by westinghouse
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  The civil war in china causes US troops to be sent oversees
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  Amelia Earhart becomes the first woman to fly over Atlantic ocean
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  Herbert Hoover becomes president
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  London Naval Reduction treaty is signed
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  Franklin D Roosevelt defeats incumbent president hoover
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  The greatest hitter in baseball retires
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  Roosevelt wins a second term against Alfred Landon
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  The golden gate bridge opens
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  The U.S. declares neutrality in the European war
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  Roosevelt becomes the first man to hold office for three terms
