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TIL The earth will complete 367 complete rotations this year; it takes 23 h 56 m for one rotation (a sidereal day).

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neDn9 TIL Peter Hill was the first known African American clockmaker and the only Black clockmaker known to have worked in the late eighteenth and early nineteenth centuries. He earned enough money to buy his freedom at age 27. The following year he married his wife Tina and purchased her freedom as well.
mxp5E TIL that Oville Wright, who co-invented the airplane, lived til 1948. So he made the first working airplane in 1903 and say Chuck Yeager break the sound barrier just 43 years later.
wogLM TIL a barrel of oil contains 42 gallons. While the barrel as a unit of measurement for oil is 42 U.S. gallons, actual "drums" used in industry typically contain 55 U.S. gallons
dMXd TIL I learned that the ‘zip’ in 'zip code’ stands for 'zone improvement plan’
Y7BmW TIL that Henry Ford was the Democratic nominee for U.S. Senate in Michigan in 1918. Despite being at the height of his popularity, he lost. (He also ran in the Republican primary that year and lost that too.)