dec 21, 1686 - Newton discovers gravity
Description:
"A popular story says that Newton came up with the theory of gravity instantly, when an apple fell from a tree and hit him on the head. Actually, Newton saw an apple falling from a tree" - https://sciencing.com/first-person-discover-gravity-23003.htmlAdded to timeline:
Date:
dec 21, 1686
Now
~ 338 years ago