What happen on Black Tuesday in October 1929

the stock market crashed

Explanation:

A crowd of investors gather outside the New York Stock Exchange on "Black Tuesday"—October 29, when the stock market plummeted and the U.S. plunged into the Great Depression. On October 29, 1929, the United States stock market crashed in an event known as Black Tuesday. ... Investors borrowed money to buy more stocks.

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.