What was the name of the 1929 U.S. stock-market panic day after October 24?

The 1929 U.S. stock-market panic day after October 24 was called Black Tuesday.

Black Tuesday was October 29, 1929, when about 16 million shares changed hands on the New York Stock Exchange and the Dow Jones Industrial Average fell heavily. The day followed Black Thursday, October 24, and Black Monday, October 28, during a sequence of panic selling.

The crash did not by itself cause every feature of the Great Depression. Economic contraction, banking failures, falling prices, international debt problems, and policy decisions also shaped the depression that followed. Nevertheless, the market collapse became its most recognizable financial symbol.

Black Tuesday is sometimes incorrectly used for October 24, the first dramatic day of the late-October sell-off. The dates had different traditional names, and October 29 was the day most commonly identified with the crash in popular histories.