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TIL that at 92 years of age Kevin Bacon’s dad rode a skateboard in love park in protest of the city banning skaters from the park that he had designed.

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wBOY TIL that in 1947, India and Pakistan still had British Officers in their armies. When the first Indo-Pakistan War broke out, they commanded troops on both sides, and regularly corresponded via telephone.
loPkr Today I learned that the first Steam Engine was invented in Alexandria,Egypt in the 1st century AD. The Egyptians couldnt find any practical use to it and the tecnology was lost in history until beeing re-invented in the 17 century!
4XXE6 TIL that in 1980, Ronald Graham offered a prize of $100 for anyone who could solve his "Boolean Pythagorean Triples Problem." Last year, three computer scientists solved the puzzle, using a supercomputer over the course of 2 days, and came out with a proof that takes up 200TB of storage space.
e0jBD TIL Palmerston island is one of the most isolated communities in the world, it is visited by a supply ship only twice a year and most of its inhabitants (about 70) are descended from one person who arrived there 150 years ago
X0wRj TIL the New York Stock Exchange is owned by a company called Intercontinental Exchange, which has its stock listed on the New York Stock Exchange