Which U.S. stock-market crash is associated with the phrase “Black Tuesday,” dated October 29, 1929?

The Wall Street Crash of 1929 is associated with “Black Tuesday,” dated October 29, 1929.

On Black Tuesday, roughly 16 million shares changed hands on the New York Stock Exchange as investors rushed to sell. The Dow Jones Industrial Average fell about 12% that day, following major losses on Black Thursday and Black Monday.

The crash became the best-known market event marking the start of the Great Depression, although the economic downturn had several causes and continued long after October 1929. The Dow did not reach its eventual low until July 1932.

Black Tuesday is sometimes treated as the entire crash, but it was one especially dramatic trading day within a broader collapse. Black Thursday refers to October 24, while Black Monday refers to October 28 in the same year.