20's time toast By Sterling_Grant Dec 1, 1913 Henry Ford perfects mass production Period: 1916 to 1930 Harlem Renaissance begins Period: Nov 7, 1919 to Jan 2, 1920 The Palmer Raids Jan 17, 1920 Prohibition begins Aug 18, 1920 Women gain the right to vote Jul 14, 1921 Sacco and Vanzetti are convicted Period: Dec 31, 1921 to Jan 1, 1923 Teapot Dome Scandal Period: Jul 10, 1925 to Jul 21, 1925 Scopes trial May 21, 1927 Charles Lindberg Crosses the Atlantic Aug 27, 1928 Kellogg-Briand pact signed Oct 27, 1929 Black Tuesday stock market crash