Conversation so far:
how far did the stock market fall in 1987
In the United States, the Dow Jones Industrial Average fell exactly 508 points. This was the largest one-day percentage drop in history.
What were the causes of the stock market fall in 1987
Potential causes of the stock market crash: Heightened hostilities in the Persian Gulf, fear of higher interest rates, a five-year bull market without correction, introduction of computerized trading.
What is the effect of stock market crash on people
Stock market crashes are driven by panic, they often follow speculation and economic bubbles, often distinguished from bear markets by panic selling and abrupt, dramatic price declines.

Question: What year was the previous
Self-contained rewrite: What year was the previous stock market crash