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TIL of Vince Coleman, a train dispatcher who gave his life in the 1917 Halifax explosion to save hundreds of lives. His last message was: "Hold up the train. Ammunition ship afire in harbour making for Pier 6 and will explode. Guess this will be my last message. Good-bye boys."

ADkrg TIL, villagers working in jungle wear face mask behind their heads to save themselves from the Bengal Tigers. Tigers have been seen following people wearing the mask, but they have not attacked. By the contrast 29 people who were not wearing mask were killed in the span of 18months.
P1EPe TIL that Mississippi did not make child-selling illegal until 2009, after a woman tried to sell her granddaughter for $2,000 and a car and it was discovered that there was no law to punish her under
nWlm9 TIL In 1966, the United States Air Force lost 4 hydrogen bombs above Palomares (Spain) after a midair collision. Two of these bombs spreaded radioactive material, including plutonium-239, over a wide area. A large amount of contaminated Spanish soil was removed, packed up, and ship to the US.
69yJX TIL the iconic Smiley Face image was designed by Harvey Ross Ball in 10 min for $45 for an insurance company in 1963, though he didn't trademark or copyright it. In 1971 two brothers "simply appropriated it" by adding "Have a Happy Day" to it to copyright it then selling 50m related buttons/products
W7Nr8 TIL that Pepsi and Coca-Cola have been involved in a "Cola War" since the 1970s. It came to a head during Super Bowl LIII in Atlanta, where Coca-Cola's HQ is, when Pepsi was one of the main sponsors and ran a campaign with the slogan "Hey Atlanta, Thanks for Hosting. We'll Bring the Drinks."