1919 Prohibition Begins 1920 Women Gain the Right to Vote 1923 Teapot Dome Scandal Typifies the Roaring 20’s 1924 J. Edgar Hoover Named Head of the FBI 1925 The Scopes Monkey Trial 1926 Goddard Initiates the Space Age 1926 David Sarnoff Founds NBC 1927 Charles Lindbergh Flies Across the Atlantic.