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TIL that "Tunnel of Love" rides were popular at Amusement Parks in the early 20th century because they were one of the only socially acceptable opportunities for couples to be alone together on a date and share physical contact. In 1950, there were over 700 in the USA. Now there are less than 10.

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d5rE TIL The the power symbol found on every power switch is actually a 1 and 0. The English words On and Off were replaced by the universal numeral symbols 1 and 0 to bypass any possible language barriers as technology became more ubiquitous.
LoKp TIL that in Soviet Russia, laser weapons were developed for cosmonauts to kill astronauts by burning holes through their space suit.
LVmQ TIL Jason Statham was an Olympic diver on the British national diving team and finished 12th in the World Championships in 1992.
VBYrZ TIL about Pino Puglisi, an anti mafia Sicilian Catholic Priest who worked steer kids away from and denounce organized crime. He was shot outside of his home, last words to the hitmen were "Ive been expecting you"
ZpxGD TIL foreign investors estimated the Confederacy had a 42% chance of winning the Civil War, just before the Battle of Gettysburg