Linus Torvalds released the first version of the Linux operating system kernel for free on the Internet.
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Conjoined twins were successfully separated for the first time.
Inventor Phillip W Pratt obtained the patent for his sprinkler system designed to extinguish fires.
39 out of 50 delegates signed the US Constitution and shared it publicly.
During the Senate climate crisis task force, climate change activity Greta Thunberg said, 'You're not trying hard enough. Sorry.'
Finnish long-distance runner Taisto Mäki broke the 10,000-meter world record in 29:52:06.
