1920-1929 By masongrillo Oct 2, 1919 woodrow wilson suffers a stroke Jan 2, 1920 palmer raids begin Jan 8, 1920 steel strike ends Mar 19, 1920 Senate refuses to ratify the Versailles Treaty or authorize United States participation in the League of Nations. Aug 18, 1920 19th amendment is ratified Nov 2, 1920 Warren G. Harding is elected to the presidency by a landslide May 31, 1921 Sacco-Vanzetti Trial Sep 21, 1922 Congress passes the Fordney-McCumber Tariff Aug 2, 1923 President Warren G. Harding dies of stroke May 5, 1925 john scope gets arrested Aug 8, 1925 Forty thousand Ku Klux Klansmen march on Washington Feb 5, 1927 Buster Keaton's comedy classic The General, considered by many to be the greatest silent film ever made, premieres. May 21, 1927 Aviator Charles Lindbergh completes the first solo transatlantic flight Sep 30, 1927 Babe Ruth hits his 60th home run of the season Aug 27, 1928 Kellogg-Briand pact "outlawing" war Nov 6, 1928 Herbert Hoover is elected president Oct 24, 1929 The stock market crashes Oct 29, 1929 stock market crashes Dec 14, 1929 saint valentines day massacre Mar 30, 1930 More than 3.2 million people are unemployed Jan 17, 1931 Texas congressman Wright Patman introduces legislation authorizing immediate payment of "bonus" funds to veterans of World War I Feb 9, 1931 "Food riots" begin to break out in parts of the U.S. Dec 4, 1931 New York's Bank of the United States collapses May 4, 1950 First Modern Credit Card Introduced Jul 7, 1950 Korean War Begins May 5, 1951 Color TV Introduced May 5, 1952 Car Seat Belts Introduced Jul 5, 1953 First Playboy Magazine Aug 5, 1954 Roger Bannister Breaks the Four-Minute Mile May 5, 1955 Rosa Parks Refuses to Give Up Her Seat on a Bus Sep 8, 1956 T.V. Remote Control Invented Nov 5, 1957 Dr. Seuss Publishes The Cat in the Hat