39 out of 50 delegates signed the US Constitution and shared it publicly.
Source
German-British astronomer William Herschel discovered the moon of Saturn, 'Mimas.'
Conjoined twins were successfully separated for the first time.
The Dutch expedition captained by Admiral Van Warwyck first sighted Mauritius.
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.
