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TIL that the first woman to fly combat missions was Marie Marvingt, who in 1915 bombed a military base in Germany. In her lifetime, she held four different pilot licenses, unofficially cycled the Tour de France, and was awarded a gold medal "for all sports" by the French Academy of Sports.

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newKb TIL that unlike knives and spoons which have been around since antiquity, forks only appeared in the Middle Ages. They did not see common use for centuries, with records of British sailors ars recently as 1897 refusing to use forks as they considered them effeminate and unmanly.
NX7P8 TIL During the 1930 Indianapolis 500, Chet Miller's car had suffered suspension failure and was not allowed to continue until it was fixed. With no parts on hand, mechanics went to a spectator's car in the infield, and took parts off of it. Then replaced them post race without the owner knowing.
kOE9B TIL the Byzantine Emperor Basi II, or Basi the Bulgar Slayer, after the Battle of Kleidion, put captured Bulgarians into groups of one-hundred, and left ninety-nine of each group blind. The latter of whom was captured and left with only one eye, and had to lead the blind group back home.
loD7G TIL A 3″ telescope has a maximum theoretical magnification of 150x. A 6″ telescope can magnify up to 300x, and an 8″ telescope up to 400x. But the Earth’s atmosphere is a limiting factor
bQj TIL that four fans on low speed will produce more cooling than one set on high and still use a lot less energy.