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TIL In 1941, almost 10% of all recruits for the US military were rejected because they did not have 6 opposing teeth on their upper and lower jaws. US dental health was so poor before WWII that it was the leading cause of rejection.

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n1KG TIL Einstein, a parrot with a vocabulary of about 200 words, gave a TED talk.
ADnjd TIL Mongols used catapult to send dead soldier bodies infected by the plague across the walls.
OoJYa TIL in 2009, a woman walking her dog found a human bone on the West Mesa of Albuquerque, New Mexico. After, police discovered the remains of 11 women and a fetus buried in the area. No suspects have been arrested and it’s believed a serial killer is responsible. All the women have been identified.
a8raL TIL of the Moriori genocide, a pacifist people of the Chatham Islands who were massacred and enslaved by New Zealand Maori in 1835 after being discovered by British Whalers in 1791
QJaep TIL the Japanese Empire contained 463 million people in 1943, even more so than the British Empire at its greatest extent (412 million)