Miss America crowned Vanessa Williams, the first black winner, in New York City.
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Dutch scientist Antonie van Leeuwenhoek declared his discovery of microorganisms to the Royal Society in London.
German-British astronomer William Herschel discovered the moon of Saturn, 'Mimas.'
Conjoined twins were successfully separated for the first time.
Inventor Phillip W Pratt obtained the patent for his sprinkler system designed to extinguish fires.
The New York Stock Exchange reopened for trading after the September 11 attacks.
