On Oct. 29, 1929, the “Black Tuesday” stock market crash was the most devastating financial collapse in the history of the U.S. to date and so began a 10-year economic depression that affected all the Western industrialized countries.

The Roaring Twenties roared loudest and longest on the New York Stock Exchange. Share prices rose to unprecedented heights. The Dow Jones Industrial Average increased six-fold from sixty-three in August 1921 to 381 in September 1929.