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TIL a 10-20 kiloton explosion of a gunpowder armory in Beijing in 1628 killed twenty thousand people and hastened the fall of the Ming Dynasty

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YpVEG TIL that Irish dance is rumored to have started when the British banned dancing during the Irish oppression....leading them to start dancing with a stiff top half so that British soldiers couldn’t tell through home windows.
x79g TIL that when the mathematician George Dantzig was studying in Berkeley, he solved two open problems in statistical theory which he had mistaken for homework after arriving late to a lecture
W7x9 TIL during a plane ride with the entire WCW roster that was experiencing extreme turbulence, Randy Savage broke the tension by saying “Just think of the rating the memorial show’s gonna draw, boys – OOOH, YEAH!”.
yLxX TIL that in the World’s Quietest Room, you could actually hear your own stomach, inner ear, and even the sounds emitted from a cellphone’s display.
OkM6 TIL activist Stetson Kennedy infiltrated the KKK and passed their secret handshakes/codes to the writers of “The Adventures of Superman.” The radio show then ridiculed these practices for 16 episodes and caused Klan recruitment to grind to a halt virtually overnight.