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TIL: During the Joseon Dynasty the Koreans built Turtle Ships with Dragon Heads and spit out flames to scare the Japanese. The ship was also considered almost indestructible during that time.

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xVZG7 Today I learned that Elvis had blonde hair as a child, then he dyed it black as a teenager.
D1QBr TIL In 1976, the Soviet Union developed keyloggers for IBM Selectric typewriters tracking the ball motion and transmitting content from American Embassy typewriters for years
9YJD6 TIL In 2011, regulators fined a Hong Kong TV station $39,000 for airing a report suggesting that former Chinese President Jiang Zemin had died. Jiang later appeared on a TV show with his successor Hu Jintao
8eXV8 TIL about "The Adventures of Ali and His Gang vs. Mr. Tooth Decay", an educational album by the American heavyweight boxer Muhammad Ali. The album was recorded to raise awareness of tooth decay among children. The album was officially approved by the American Dental Association
p8kw8 TIL Edgar Allen Poe wrote "William Wilson", a story where doppelgangers share a name and similar traits. In the 1980s, there were 2 switch hitter, center fielders, that shared similar traits and backgrounds, playing in the MLB. Their names were William Wilson.