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TIL that in 1860 the original 13th amendment to the Constitution was intended to preserve slavery in the states that already had it. Known as the Corwin Amendment, it was an attempt to forestall secession. It was passed by Congress, but ratification by states was suspended when the Civil War began.

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j6J9n TIL in 1971 a Time Dilation experiment had 2 flights w/atomic clocks go around the world to prove Einstein's theories of relativity (time moves slower as you approach the speed of light, and/or when exposed to more gravity). The clocks gained 0.15 microseconds compared to the ground based clock.
wLyY6 TIL that according to legend, the Greek philosopher Aeschylus was killed when an Eagle dropped a turtle on his head. Apparently, the bird mistook Aeschylus' bald head as a rock.
Qgpp TIL medieval archers wore their quiver with arrow on their belt. Only the ones on horseback wore them on their back.
R5R7 TIL that Nearly Half of All Black Women Have Genital Herpes
lo4w1 TIL that comedian Redd Foxx, known as the "King of the Party Records" and star of the 1970s sitcom "Sanford and Son," influenced comedians including Richard Pryor, Chris Rock, Pat Morita, and Jamie Foxx, who chose his professional surname as a tribute.