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TIL of German serial killer Karl Denke, in the 1910’s killed upwards of 40 people, and processed their flesh into pickled “pork”, their hair into shoelaces, and their skin into belts, and other gruesome items that he then sold at markets and door-to-door.

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jJXn TIL that the 4 suits of cards (♢ ♧ ♡ ♤) correspond to the seasons in a year, and adding all the values of the cards (1 for ace, 11 for jack, 12 for queen, 13 for king, and 1 for joker) adds up to 365, the number of days in a year.
44AN TIL the FBI made an investigation against Martin Luther King Jr. and after dropping the case the information they found out won’t be released to the public until 2027.
NXAxe TIL why the traffic lights are red yellow green ; the first LED were ever created was red and then green was invented and the mix of two is yellow and the blue LED took 30+ years to get invented and thus creating RGB light and the modern color panels ..,
N7yDJ TIL ancient Chinese physicians kept a small ivory "medicine doll" in their desks to help them treat female patients, who were forbidden from showing too much skin to a male other than their husband. Women seeking medical attention would point to the areas on the doll where they had discomfort.
GlXg TIL In 1979 a scholar in Semitic languages from the University of Manchester published a book claiming that the word “Jesus” in the bible has been misinterpreted and that it is really a code for a certain species of hallucinogenic mushroom