Final answer:
The term 'Black Tuesday' refers to the day the stock market crashed on October 29, 1929, marking the start of the Great Depression.
Step-by-step explanation:
The name given to the day when the stock market crashed in 1929 is Black Tuesday. Black Tuesday refers to October 29, 1929, when panicked sellers traded nearly 16 million shares on the New York Stock Exchange. The crash marked the beginning of the 12-year Great Depression that affected all Western industrialized countries.
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