Finnish long-distance runner Taisto Mäki broke the 10,000-meter world record in 29:52:06.
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German-British astronomer William Herschel discovered the moon of Saturn, 'Mimas.'
Linus Torvalds released the first version of the Linux operating system kernel for free on the Internet.
Dutch scientist Antonie van Leeuwenhoek declared his discovery of microorganisms to the Royal Society in London.
NASA unveiled its first space shuttle, the Space Shuttle Enterprise.
39 out of 50 delegates signed the US Constitution and shared it publicly.
