Inventor Phillip W Pratt obtained the patent for his sprinkler system designed to extinguish fires.
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King Charles VI of France suddenly declared that no Jew may live under his rule, following complaints from Christians in France.
Norway became the first country in the world where electric cars outnumbered petrol cars.
Linus Torvalds released the first version of the Linux operating system kernel for free on the Internet.
Conjoined twins were successfully separated for the first time.
The New York Stock Exchange reopened for trading after the September 11 attacks.
