In the United States, the Dow Jones Industrial Average (DJIA) dropped 22.6 percent in a single trading session, a loss that remains the largest one - day stock market decline in history.2 At the time, it also marked the sharpest market downturn in the United States since the Great Depression. (federalreservehistory.org)
There was the Panic of 1907, which began in mid-October and nearly toppled the U.S. banking system; Black Thursday in October 1929, which signaled the start to the Great Depression; Black Monday in October 1987, when the Dow dropped 22.6 percent in a single trading session; and the U.S. bear market of 2007 - 2009, which began in October 2007 and accelerated dramatically in October 2008, leading to the Great Recession. (grow.acorns.com)
in a single trading session; and the U.S. bear market of 2007 - 2009, which began in October 2007 and accelerated dramatically in October 2008, leading to the Great Recession. (grow.acorns.com)