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TIL Pennsylvania still charges its citizens an 18% tax on alcohol to pay for damages of the 1936 Johnstown flood.

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p8g4p TIL that about 372 million people receive artificially-fluoridated water in about 24 countries, including Australia, Brazil, Canada, Chile, Ireland, Malaysia, the U.S., and Vietnam. Fluoridation is rare in Europe, with 97–98% choosing not to fluoridated drinking water.
m1Jkp TIL world largest pyramid is partly underground and is in Mexico, Cholula.
NXr7b TIL the length of a day on Mars has been known to the nearest 3 minutes since 1666. But the exact length of a day on Saturn remained a mystery until 2019.
GwpN TIL New York City has undercover police cars that look just like yellow cabs, used for everything from catching minor traffic violations to intelligence gathering
eplYn TIL That 90s porn star Asia Carrera was not only a member of MENSA, with an IQ of 156, she was such a fan of the game Unreal Tournament she created her own character skins which showed her in skimpy outfits in the classic FPS game.