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TIL that segregation laws were proposed as part of a deliberate effort to drive a wedge between poor blacks and whites, making it far less likely that the two groups would sustain interracial alliances aimed at toppling the white elite.

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4xno TIL If you know multiple languages, you’re better able to control your reactions and focus in unexpected or new situations. This makes you better in handling the flow of information, thus affecting logic and decision-making.
Njdb TIL 62 decimal digits of pi is all that is needed to calculate the circumference of the known universe to Planck length precision
nmkW TIL that two Roman dams in Spain (the Proserpina and Cornalvo dams) are still in use after 1900 years
p8vZA TIL that 500 years ago, China destroyed its world-dominating navy because its political elite was afraid of free trade. Some vessels were 6x larger than Columbus' Santa Maria.
e01VE TIL of Plennie L. Wingo who walked backwards from Santa Monica, California to Istanbul, Turkey in 1931 and still holds the Guiness record for the greatest extent of reverse pedestrianism.