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The American American Professional Football League was formed in 1920.
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Women were given the right to vote when the 19th Amendment to the United States constitution grants universal women's suffrage.
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The first Miss America pageant was held in Atlantic City, New Jersey.
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Time Magazine is published for the first time.
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President Warren G. Harding dies in office after becoming ill following a trip to Alaska.
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The first flight to the North Pole and back by Floyd Bennett
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The NBC Radio Network was formed by Westinghouse, General Electric, and RCA, opening with twenty-four stations.
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Charles Lindbergh leaves Roosevelt Field, New York on the first non-stop transatlantic flight in history.
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Start of the work on the gigantic sculpture at Mount Rushmore began.
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Amelia Earhart becomes the first woman to fly over the Atlantic Ocean.