Final answer:
The stock market crash, also known as the Great Depression, was a significant economic event that happened in 1929.
Step-by-step explanation:
The significant economic event that happened in 1929 was the stock market crash, also known as the Great Depression. The stock market crash occurred in October 1929 and had a profound impact on the global economy.
It was caused by several factors, including speculative trading, an uneven distribution of wealth, and excessive borrowing. When the stock market crashed, it triggered a widespread financial crisis, leading to mass unemployment, bank failures, and a severe decline in GDP.
The effects of the stock market crash were felt for many years, causing lasting economic and social changes.
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