39 out of 50 delegates signed the US Constitution and shared it publicly.
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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.
Inventor Phillip W Pratt obtained the patent for his sprinkler system designed to extinguish fires.
During the Senate climate crisis task force, climate change activity Greta Thunberg said, 'You're not trying hard enough. Sorry.'
Dutch scientist Antonie van Leeuwenhoek declared his discovery of microorganisms to the Royal Society in London.