Great depression and world war 2 By david villarreal Period: Sep 1, 1929 to Sep 2, 1945 Great depression and world war 2 Oct 29, 1929 Great Depreesing the great dression started in 1929 and ended in 1939 Feb 15, 1930 3.2 million unemployed Aug 15, 1935 social security act Sep 4, 1941 great depression started Dec 7, 1941 start of world war 2 japanese bombing of pearl harbor, The united states declared war on japan. Jan 17, 1942 the first wartime cartoon tom and jerry starred Jul 21, 1945 it was the final tom and jerry wartime cartoon Sep 2, 1945 World war 2 ended