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.
Miss America crowned Vanessa Williams, the first black winner, in New York City.
Dutch scientist Antonie van Leeuwenhoek declared his discovery of microorganisms to the Royal Society in London.
The Dutch expedition captained by Admiral Van Warwyck first sighted Mauritius.
39 out of 50 delegates signed the US Constitution and shared it publicly.
