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252

TIL that this week was the first time American Airlines has hired a flight attendant since 9/11

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woLY6 TIL A moon rock gifted to former Dutch Prime Minister by the U.S. ambassador and displayed at the Dutch national museum turned out to be a piece of petrified wood
Oorm1 TIL William Wrigley, founder of Wrigley’s Gum, invented direct mail marketing. In 1915 he mailed a pack of gum to every person in the phone directory in the United States.
R7v01 TIL during the Black Death, the Adriatic port city of Ragusa was the first city to require mandatory 30-day isolation for sailors and traders in order to track infection. The Italians lengthened it to 40 days, or a “quaranta giorni”—hence, a quarantine.
wVG6 TIL that in 1746, Jean-Antoine Nollet crudely estimated the speed of electricity by shocking a mile of monks
VBrmm TIL that between 1840 and 1930, a pod of killer whales helped whalers shepherd and kill baleen whales by herding them into a bay then swimming to the whalers to alert them of the target whales