Oct 29, 1929 - America's Great Depression began with the crash of the Wall Street stock market.  Great Crash and the Stock Market Crash of 1929, began in late October 1929 and was the most devastating stock market crash in the history of the United States when taking into consideration the full extent and duration of its fallout.The crash signaled the beginning of the 10-year Great Depression that affected all Western industrialized countries and did not end in the United States until the onset of American mobilization for World War II at the end of 1941.  Be a winner with the Classic Rewards Club when you enter the keyword Crash.