Today 10/19/2018 is the 31st anniversary of the 1987 stock market crash on 10/19/1987

A view of the New York Stock Exchange on Oct. 19, 1987 as the Dow plummeted over 500 points as panic spread in the market

https://www.marketwatch.com/story/dow-poised-to-jump-100-points-at-the-open-as-stock-market-aims-to-follow-china-rebound-2018-10-19