1920s timeline By Jaydenebarger May 5, 1920 Sacco and Vanzetti arrested for armed robbery and murder Dec 2, 1920 KDKA goes on the air from Pittsburgh 1921 Teapot Dome Scandal Sep 8, 1921 1st Miss American Pageant Jan 25, 1924 1st Winter Olympics Held Apr 10, 1925 The Great Gatsby published by F. Scott Fitzgerald Jul 21, 1925 Scopes Monkey Trial May 10, 1927 Charles Lindberg completes solo flight across the Atlantic Oct 6, 1927 The Jazz Singer debuts (1st movie with sound) The Jazz Singer debuts (1st movie with sound) 1929 Black Tuesday (Stock Market Crash) Feb 14, 1929 St. Valentine's Day Massacre