Linus Torvalds released the first version of the Linux operating system kernel for free on the Internet.
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Finnish long-distance runner Taisto Mäki broke the 10,000-meter world record in 29:52:06.
NASA unveiled its first space shuttle, the Space Shuttle Enterprise.
Miss America crowned Vanessa Williams, the first black winner, in New York City.
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.