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TIL of the North American X-15, a rocket plane from the 1950’s that achieved the manned airspeed record in 1967 when William J. “Pete” Knight flew it 4,520 miles per hour (7,274 km/h).

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OG7Xg TIL that in 1540, King Henry VIII entered into an arranged marriage with his 4th wife, Anne of Cleves. Dissatisfied with her appearance, he never consummated the marriage, leading to its annulment. The architect of the union, Thomas Cromwell, fell from favor and was executed in 1541.
oYYr TIL the most successful interrogator of WWII preferred friendliness to torture. The U.S. military later incorporated his methods into its curriculum at its interrogation schools. Many of Scharff’s methods are still taught in US Army interrogation schools.
9EBB TIL in 2009, a hard ground ball hit Adrián Beltré in the crotch which landed him on the 15-day disabled list. In his first game back from the DL, teammate Ken Griffey Jr. conspired with those responsible for the PA system to have Beltré’s at-bat intro music be the waltz from The Nutcracker Suite
YpYo7 TIL North Korea could have a lot of oil. NK reportedly has seven underexplored geological basins, with three basins said to have “proven working petroleum systems"
KOwQQ TIL Korean has 7 speech levels,each with different verb endings & vocab., reflecting formality/politeness.The highest, used for talking to royalty, is archaic but still used in historical dramas.The hagache level is now rarer, mostly used in novels. Middle management/bureaucrats sometimes use haoche