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TIL it exist a theorem called “The hairy ball theorem” that states “You can’t comb a hairy ball flat without creating a cowlick”

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69Apl TIL on average, about 330 people died in national parks each year, or roughly six people every week
d85LE TIL In 1969 Mister Rogers' and Officer Clemmons of "Mister Rogers' neighborhood" shared a pool in episode 1065 . This marked the first time in TV history an African American was portrayed swimming with a White. Clemmons hoped "the world would change" after the airing of the episode
OoMLY TIL in 1891 Chicago issued a challenge to all engineers to build a structure that would surpass The Eiffel Tower. The engineer who won proposed a giant rotating wheel that will lift visitors high above the city. The inventor of this giant wheel's name was George Ferris.
e0Pbg TIL of the People's Republic of Korea (1945-1946), the short lived Socialist government of a unified Korea which, based on a network of people's committees, presented a program of radical social change. In the south, the US military government outlawed the PRK on December 12, 1945.
E1d7X TIL that Galileo was born in the same year that Michelangelo died, and died in the same year that Newton was born