1920's-1950's By jakechatfield May 21, 1927 Charles Lindbergh completes flight across Atlantic Ocean Aug 16, 1928 Kellog-Briand Pact was signed Sep 28, 1928 Penicillin was Discovered Mar 4, 1929 Hoover inaugurated (ends Mar. 4 1933) Oct 24, 1929 Black Thursday Oct 29, 1929 Black Tuesday Mar 12, 1930 Gandhi starts Salt March to protest British. Mar 3, 1931 Star-Spangled Banner becomes America’s official national anthem May 1, 1931 Empire State Building Opens Sep 19, 1931 Japan invades Manchuria Oct 17, 1931 AL Capone gets sentenced to prison because of tax evasion Dec 10, 1931 Jane Addams becomes the first American woman to win the Nobel Peace Prize Mar 1, 1932 Lindbergh’s was baby kidnapped Mar 4, 1932 FDR was elected president Jul 28, 1932 Veterans Bonus March Mar 4, 1933 Franklin D Roosevelt was inaugurated Nov 12, 1933 Hugh Gray photographs the Loch Ness Monster Dec 5, 1933 21st Amendment ratified, counteracting the 18th Amendment May 23, 1934 Bonnie and Clyde killed by police Sep 5, 1935 Germans pass Nuremberg Laws, which discriminate against Jews Oct 3, 1935 Mussolini leads Italians and takes over Ethiopia Jul 17, 1936 Spanish Civil War Begins Aug 1, 1936 Berlin Olympics begin May 6, 1937 The Hindenburg explodes Jul 2, 1937 Amelia Earhart disappeared Dec 21, 1937 Snow White and the Seven Dwarfs animated film released Jan 3, 1938 FDR founds March of Dimes to try to get funding for polio research Oct 30, 1938 Orson Welles broadcasted “War of the Worlds” inducing widespread panic Dec 7, 1941 Pearl Harbor is bombed by Japanese fleet