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TIL After Japan’s defeat in WW2 the US made Okinawa switch to driving on right side, they switched back to left side driving when returned to Japanese control in 1978

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Z86Qo TIL about Washoe, a female chimpanzee who was the first non-human to learn to communicate using American Sign Language. She learned approximately 350 signs.
Oovd1 TIL of the Football War (AKA The 100 Hours War) of 1969, fought between Honduras and El Salvador
epDMb TIL the DVD rental service redbox is owned by the company that makes those 'Chicken Soup for the Soul' books
W7VvB TIL Anti-climb paint, a class of non-drying oil paint, was developed in the 1960s. It can take over 3 years to dry, It is used to prevent trespassing and mark trespassers as it is very difficult to remove.
5VPo9 TIL that there's a supermassive black hole at the Galactic Center of our galaxy.