1921-1941 By sjstanton98 May 31, 1921 The Tulsa Race Riot, called "the single worst incident of racial violence in American history Oct 16, 1923 The Walt Disney Company is founded May 21, 1927 Charles Lindbergh completes the first transatlantic nonstop solo flight from New York to Paris Oct 6, 1927 The first film with synchronized sound, The Jazz Singer, premieres Period: 1929 to 1933 The Great Depression Aug 14, 1935 President Roosevelt signs the Social Security Act Jul 24, 1937 Charges of rape against the Scottsboro Boys are dropped Sep 5, 1939 The U.S. Declares neutrality in World War II Sep 26, 1940 The U.S. embargoes all scrap metal shipments to Japan