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TIL that as early as 1802, Thomas Jefferson designed a cypher wheel to encrypt messages. It's unknown if he ever actually built or used one, but a similar tool was invented for the U.S. Army to use from 1920 until the start of WWII. Jefferson's designs were discovered shortly after.

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awLmJ TIL when Adolf Hitler took power in the 1930s, he owed back taxes totaling 405,494 Reichsmarks (over USD $2 million today). He never paid.
OoGyY The third molars—the last of a group of teeth that grinds food into easy-to-swallow chunks—tend to be overcrowded in adult human mouths, and thus require yanking. But every other toothed mammal has room for their “wisdom teeth,” and so did Neanderthals and other early hominids, says evolutionary biologist Leslea Hlusko of the University of California, Berkeley. So why have those teeth become such a pain for us?
1jX8 TIL that they caught the guy behind “The Fappening”. Ryan Collins, 36, accessed over 100 celebrities’ accounts by simply sending phishing e-mails to the victims. Prosecutors recommended that he received a jail sentence of 18 months.
xVgRo TIL that France has the most timezones, even more than Russia!
x6EV0 TIL about Japan's Lost Generation, a group of young people who, between 1994 and 2004, were unable to find employment due to the Bubble Economy collapsing. Many of them never recovered financially, emotionally and relationally. Some of them withdrew from society and became social recluses.