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TIL that barbers in the medieval times used to perform surgery and tooth extractions in addition to cutting hair, which is why barber’s poles are red, white, and blue.

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neDYd TIL that in 1977, Queen Elizabeth II planned to hit Ugandan dictator Idi Amin over the head with a ceremonial pearl sword if he gatecrashed a Silver Jubilee church service
M7Xw7 TIL about Lauri Törni, who served in the Finnish Army, Waffen SS, and US Army. He is the only member of the Waffen-SS buried in Arlington National Cemetery.
Xa8P TIL that there was a study that says short men have sex more often
jNjRM TIL that when Robin Thicke was 11, he was being babysat by Wayne Gretzky while his father was on vacation. During that time, Gretzky learned he had been traded from the Edmonton Oilers to the LA Kings and abruptly had to leave, leaving Robin Thicke home alone.
5Y7ND TIL Kleptothermy (heat-stealing) is observed in some male Canadian red sided garter snakes that mimic females by producing female-like pheromones when they emerge from hibernation so that other males mistakenly attempt to mate with them, thus transferring heat to them.