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TIL The airline industry has its own currency (NUC) to simplify the exchange of money between airlines

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nP4B TIL The founder of Mother’s day was so disgusted with its commercialization that she collected petitions to rescind Mother’s Day and spent the rest of her life trying to abolish the holiday she founded, only to end up in a sanitarium supported by contributions from the hated Florists Exchange.
884L TIL a large group of flamingos is called a flamboyance
PY7EE TIL arXiv is pronounced "archive", not "ark sieve", because the X represents the Greek letter chi
GAy7 TIL Erich Hartmann, the #1 scoring fighter pilot ace of all time, got drunk and stole Hitler’s hat.
ZkND TIL the “Pillars of Creation” have already been destroyed by a cosmic explosion, but the remains will not be visible to us for another 1,000 years.