Inventor Phillip W Pratt obtained the patent for his sprinkler system designed to extinguish fires.
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Norway became the first country in the world where electric cars outnumbered petrol cars.
Dutch scientist Antonie van Leeuwenhoek declared his discovery of microorganisms to the Royal Society in London.
During the Senate climate crisis task force, climate change activity Greta Thunberg said, 'You're not trying hard enough. Sorry.'
Linus Torvalds released the first version of the Linux operating system kernel for free on the Internet.
The Dutch expedition captained by Admiral Van Warwyck first sighted Mauritius.
