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TIL that the first baby born in the White House was born into slavery

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ADmAd Today I Learned a man landed a plane in the streets of New York. Then did it again because someone didn't believe him about the first time.
Yjgv TIL scientists studied a parrot for 30 years and found he had the intelligence of a five-year-old human. He had a vocabulary of 150 words and could ask for a banana. If he was offered a nut instead, he would stare in silence, ask for the banana again, or take the nut and throw it at the researcher.
x6Pg1 TIL, The Jebel Shahaba is one of the oldest examples of war among prehistoric humans as the battle took place in 14050 BC.
PYleZ TIL The ancient Greeks had known the world is round since Pythagoras, and successfully calculated the circumference of the globe when Eratosthenes measued the angles of the mid-day sun between two towns of a known distance. His calculation had only about a 10% margin of error.
grP88 TIL Finland used a lot of resources and logistics during WW II to bring the fallen to their home parishes for a proper funeral, instead of using mass graves in the battlefield.