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        Sacco and Vanzetti arrested for armed robbery and murder April 15, 1920 Italian immigrant anarchists arrested in 1920 for the armed robbery and murder of two men at a shoe factory in South Braintree, Massachusetts. - 
  
  
        KDKA goes on the air from Pittsburgh- November 2, 1920. it the world's first commercially licensed radio station. The station aired the returns of the Harding-Cox presidential election as its inaugural broadcast, proving the power of radio to a waiting public - 
  
  
        1st Miss American Pageant. September 8, 1821. The first Miss America Pageant was held in September 1921 in Atlantic City, New Jersey, as a way to keep tourists in the city after Labor Day, and was won by 16-year-old Margaret Gorman of Washington, D.C. - 
  
  
        Teapot Dome Scandal. April 15, 1922. It was a political corruption scandal in the United States. - 
  
  1st Winter Olympics Held- January 25th to February 5, 1924. The first Winter Olympics were held in Chamonix, France, in 1924, though initially called "International Winter Sports Week".
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        The Great Gatsby published by F. Scott Fitzgerald- April 10, 1925- narrated by Nick Carraway, who moves to the wealthy Long Island in 1922 and becomes entangled with his mysterious millionaire neighbor, Jay Gatsby. - 
  
  
        Charles Lindberg completes solo flight across the Atlantic- may 20-21, 1927. Charles Lindbergh completed the first nonstop solo flight across the Atlantic Ocean in the Spirit of St. Louis - 
  
  
        The Jazz Singer debuts (1st movie with sound). October 6, 1927. The film starred Al Jolson as a young cantor who abandons tradition for a career as a jazz singer - 
  
  
        St. Valentine's Day Massacre February 14, 1929. The St. Valentine’s Day was the mass murder of seven members of the north side gang. - 
  
  
        Black Tuesday (Stock Market Crash). October 24, 1929. It was the worst day of the stock market crash. Over 16 million shares were traded. - 
  
  
        Scopes Monkey Trial. July 21, 1925. A Tennessee court case where high school teacher john scopes was charged with the violating the butler act for teaching evolution.