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TIL that in the 1950's, an air cushioned vehicle was invented by a doctor named William Bertelsen from his garage

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l7Bx7 TIL Not only does the state of Alabama celebrate Robert E. Lee on MLK Day, they also have holidays for Confederate Memorial Day and Jefferson David's Birthday.
XERoj TIL The Joker character in Batman myth was based on a character in 'The Man Who Laughs', a 1928 movie about a man who is disfigured with a permanent grin. The movie is based on Victor Hugo's 1869 novel of the same name, meaning that the Joker's origins are 150 years old.
ANryx TIL Canada prohibits aircraft from flying faster than Mach 1, but made an exception in 2003 for a Concorde’s final fight, from NYC to Seattle. It set a new speed record of 3 hours, 55 minutes, and 2 seconds.
pYKZ TIL that over 1 billion years of history is missing from the geologic record in the Grand Canyon
awxDM TIL that in 2002, a Marvel comics writer based an alternate version of Nick Fury on Samuel L Jackson, using his image without permission. Jackson discovered this and nearly took legal action. Marvel offered to cast him as Fury if the character was ever in a movie. Jackson took the deal.