America: 1900 to 1920 By twsheehan Period: Jan 1, 1900 to Dec 31, 1920 America: 1900 to 1920 May 17, 1900 Frank L. Baum publishes "The Wizard of Oz" Sep 6, 1901 Assassination of President McKinley Dec 1, 1903 The film "The Great Train Robbery" premieres.