The stock market crash on October 24, 1929  is remembered as one of the most devastating event in Wall Street history. In the weeks leading up to the crash, the market was very unstable.A record of 12.9 million shares were traded on that day .The Dow Jones Industrial Average partially recovered in November- December 1929 and early 1930; however reversed and crashed again.The crash began a 12 year depression that would plague the nation. People came to remember this day as Black Thursday in America and Black Friday in Europe. Combined the stock market crash and the Great Depression caused the biggest financial crisis of the 20th century.