The Roaring Twenties By Erin.Houli Nov 11, 1918 World War One ends World War One Ends Jan 29, 1919 Achohol is banned in all of U.S.A Aug 18, 1920 Women are allowed to vote Sep 21, 1922 Tariff duties rise to protect the American Market Aug 8, 1925 40,000 Klu Klux Klansmen are in Washington May 21, 1927 Spirit of Saint Louis departs Nov 6, 1928 Herbert Hoover is elected president Oct 24, 1929 Stock Market Collapses