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TIL Federico da Montefeltro lost one of his eyes in a tournament so he had the bridge of his nose removed to increase the field of vision of his remaining eye.

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9wWLB TIL the scientific name for brain freeze is sphenopalatine ganglioneuralgia.
Zpe1Q TIL The Deep Purple song Smoke on the Water is about an incident at a casino where Frank Zappa was playing a concert and a fan fired a flare gun which caused the casino to catch fire and burn down.
oB5GK TIL during the Argentina-Brazil match during the Italy 1990 World Cup, a Brazilian player was drugged with contaminated water by the Argentinean team.
1anYD TIL that for over 100 years, Canada forced many Indigenous children to attend Residential schools away from their families years at a time. The quality of instruction was sub-par, many children were physically, sexually, and mentally abused, and at least 4000 children died in the school system.
kO11E TIL in 2012, Facebook conducted an experiment on 689,000 users by manipulating their news feeds content and see if their emotions be controlled.