1930's Timeline By Hunter9q6 Feb 18, 1930 Clyde Strombaugh discovers the planet pluto Jun 17, 1930 Hawley Smoot Tariff act signed Signed by president hoover Mar 3, 1931 Star Spangled Banner approved by Hoover as National Anthem Star Spangled Banner written by Francis Scott Key May 1, 1931 Construction of Empire State Bulding is finished Mar 1, 1932 Infant son of Charles Lindbergh is kidnapped Later found dead on march 12 in Hopewell, New Jersey Mar 4, 1933 Franklin D. Roosevelt Inaugurated as President Mar 31, 1933 The CCC is authorized under Federal Unemployment Relief Act Nov 1, 1933 Strong dust storm sweeps through S.D. Dec 5, 1933 21st Amendment is passed ending Prohibition Jun 6, 1934 U.S. Security and exchange comission is established Feb 19, 1935 Bruno Hauptmann found guilty for the kidnap and murder of Lindberghs child Jun 1, 1935 Babe Ruth Retires from MLB Aug 14, 1935 Social Security Act is passed Sep 30, 1935 Hoover Dam is dedicated to President Roosevelt Aug 1, 1936 Jesse Owens wins Four Golds in Olympics Placed in Berlin,Germany May 27, 1937 Golden Gate opens to pedestrians