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TIL the United States was slated to transition to the metric system, however, in 1793, the ship transporting the standardized meter and kilogram was seized by pirates and the measurements never arrived in the country...

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NXE6 TIL President Jackson entered a duel against a man he knew to be the better shooter. Jackson allowed the man to shoot first, unflinchingly taking a bullet in the chest. Jackson then fired and killed the man instantly. Jackson lived with the bullet in his chest for the rest of his life.
oRByL TIL that the Battle of the Bulge marked the first time the U.S. Army desegregated troops during WWII.
yYJV TIL:The director of Cannibal Holocaust had to prove in court that the actors were still alive and didn’t get killed during the movie
b6e9Z TIL the concept of seven sisters in Greek mythology persisted in various forms and is echoed in different civilizations and cultures. There was even a group of law firms dubbed 'the seven sisters'
PY1aJ TIL about solid-state batteries - possible replacement to lithium-ion batteries especially in cars