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TIL Confucius's family kept genealogy records for over 2 millennia

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mDgv TIL hundreds of schools collapsed during the 2008 Sichuan earthquake, killing more than 5000 students. Instead of conducting investigations into the companies responsible, the government threatened and arrested the griefing parents protesting against the death of their children
GX1g TIL in 1524, a statue of the Virgin Mary was found guilty of being a witch and burned.
EgMG0 TIL Velveeta cheese was one of the first foods to get the American Medical Association's approval. In 1931 the AMA cited that Velveeta's nutritional value built "firm flesh"
LkyDr TIL that one of the earliest instances of Phreaking, (hacking into telephone lines,) was discovered via blowing a Captain Crunch toy whistle into a phone line. This toy , coincidentally, rang at 2600 Hz, which is the exact tone that At&T used to determine that a caller had hung up.
69m7Q TIL the Hoover Dam was completed 2 years ahead of schedule