The Great Depression By Mexican power 1 Mar 4, 1929 The Great Depression Herbet Hoover became president Sep 3, 1929 The stock market would not return to its pre-crash high for the next 25 years. Oct 28, 1929 On Black Monday, stocks prices fell 13 percent. Nov 23, 1929 The stock market hit bottom and began trading sideways. Jun 17, 1930 Hoover signed the Smoot-Hawley Tariff Act. Jun 21, 1930 Hoover created the Department of Veterans. Feb 1, 1931 Food riots broke out in Minneapolis. Jun 6, 1932 Hoover signed the Revenue Act of 1932. Mar 9, 1933 Franklin Delano Roosevelt took office. Apr 19, 1933 He ordered everyone to exchange private gold for dollars. Nov 8, 1933 Unemployment rose to a record 24.9 percent. Apr 15, 1934 Black Sunday was the worst dust storm ever. Jun 8, 1936 The hottest summer on record began. 1937 Franklin Roosevelt launched a third New Deal. 1938 The economy started to grow again. Jun 16, 1938 The Great Depression was over. Sep 15, 1939 Hitler invaded Poland, starting World War II. Jun 9, 1940 Congress reinstated the military draft. Mar 12, 1941 The United States sent war supplies to England. Dec 7, 1941 Japan attacked the Pearl Harbor Navy base.