Inventor Phillip W Pratt obtained the patent for his sprinkler system designed to extinguish fires.
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Conjoined twins were successfully separated for the first time.
39 out of 50 delegates signed the US Constitution and shared it publicly.
The New York Stock Exchange reopened for trading after the September 11 attacks.
Miss America crowned Vanessa Williams, the first black winner, in New York City.
Finnish long-distance runner Taisto Mäki broke the 10,000-meter world record in 29:52:06.
