› added 4 years ago

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TIL IU on vitamin packages stands for International Unit for measuring amount of substance and ironically this unit is not part of International System of Units

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P1KMw TIL of The Swing Youth were a youth counterculture of jazz and swing lovers in Germany formed in 1939. They admired the "American way of life", defining themselves in swing music and opposing Nazism. With a focus on African-American music they were particularly spiteful of the Hitler Youth.
KYbo9 TIL that the title of the Led Zeppelin song D'yer Mak'er is the punchline of a joke that only makes sense with an English accent.
LQrym TIL Hetty Green, the "Witch of Wall Street," became the wealthiest woman of the early 20th century, amassing a $100M fortune (~$2.7B today) by investing in real estate, railroads, and mortgages. Green was also a miser who wore the same black dress daily, ate only oatmeal, and lived in cheap housing.
9R67 TIL, there is no definitive reason why the keypad arrangement is different for a telephone and a calculator/computer
mxn6R TIL in October 2017, Spam shared a picture of Pumpkin Spice Spam and noted that it was not a real product they were selling. Two years later, Spam announced a legitimate limited edition Pumpkin Spice product for the autumn season. In less than 7 hours on the day of release, the Spam had sold out.