› added 6 years ago

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TIL that Karl Marx wasn't aware of advances being made in differential calculus and developed the concepts himself while writing his mathematical manuscripts

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E1VPX TIL that Abraham Lincoln had dual citizenship (San Marino), it was granted to him by the San Marino government at the beginning of the American Civil War.
R95a TIL That famous philosopher Jean Jacques Rousseau so enjoyed S&M, he used to drop his trousers in the street and charge ass-first towards groups of women in the hopes of being spanked.
VBwP4 TIL that the construction the Three Gorges Dam in China displaced enough water to lengthen the earth's day by 0.06 μs.
N1lb TIL of diamond fluorescence which effects about 30% of diamonds and causes them to glow under UV light.
QJRYd TIL the first official quarantine was in Dubrovnik, Croatia in 1377 against the bubonic plague. Anyone entering the city had to first isolate for 40 (in latin, quaranta) days on a nearby island.