1920s Timeline By Madison32 Nov 2, 1920 KDKA goes on the air from Pittsburgh Sep 8, 1921 1st Miss American Pageant Oct 24, 1923 Teapot Dome Scandal Jan 25, 1924 1st Winter Olympics Held Apr 10, 1925 The Great Gatsby published by F. Scott Fitzgerald Jul 21, 1925 Scopes Monkey Trial Dec 20, 1927 The Jazz Singer debuts (1st movie with sound) Feb 14, 1929 St. Valentine's Day Massacre Oct 29, 1929 Black Tuesday (Stock Market Crash)