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TIL Mt. Everest is actually not the tallest mountain on Earth, instead it has the tallest elevation or highest point above sea level. Mauna Kea in Hawaii is the actual tallest mountain, however most of it is underwater so it is often discredited.

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5Y0Gn TIL There is a Scottish tartan designed for Mars exploration. It was officially registered in 2016 to be worn during Mars science, exploration and outreach activities.
E1Vr0 TIL modern chewing gum is made from plastic and rubber
grVrb TIL that barrels placed on roof tops, as seen in old West photos, serve as a fire suppression.
X0LGr TIL The Viet Minh signed a treaty to pay the French 5 billion francs after the Indochina War to buy the rights to the Tonkin collieries in North Vietnam. The sum was payable by means of coal shipments over 15 years.
DwbP TIL that U.S. public libraries were some of the first institutions to be racially integrated because whites generally didn’t want to put up much of a fight about them. Some were even ashamed at the time to learn that libraries were segregated.