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TIL Nobody was burned at the stake during the Salem Witch Trials. Most people convicted of witchcraft were hanged and one man was crushed with stones.

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BrGPx TIL that underwater explosions can be used to manufacture complicated jet engine parts and missile cones in a process that's called "explosive forming".
E1K40 TIL in 1908, German housewife Melitta Bentz was tired of ground coffee leftovers in her coffee cup. As a consequence, she invented the paper coffee filter, founded a company, and became the employer of her own husband, in a time when women weren't even allowed to vote.
ZppnB TIL mandated seatbelt interlock systems, requiring the driver to first be seated and then buckle up before the car was able to start, decreased seatbelt usage as drivers disabled the system in the early 70s in the US
7rQ87 TIL: Nazi Germany was planning to relocate all Jews to Madagascar. The plan was put on hold in 1940 after the Germans failed to defeat the British in the Battle of Britain (partly because they expected the British to surrender and use their navy in the evacuation), then later changed it to genocide.
GYYe7 TIL that Waco, Texas, had so many gunfights in the late 1800's that it was called >Six Shooter Junction.