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TIL "In God We Trust" first appeared on US money in 1864 as a political ploy by the North to tell the South that God was on their side during the Civil War.

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wLmn7 TIL the Bank of Canada once had to urge Canadian citizens to stop “Spocking” their five dollar bills.
ADGyx TIL Polaris aka the North Star, appears stationary in the sky because it is positioned close to the line of the Earths axis projected into space. As such, it is the only bright star whose position relative to a rotating Earth does not change.
5Bdk TIL that sometimes a group of ants will get separated from their main foraging party and begin to follow each other in a continuously rotating circle. Eventually they all die of exhaustion. This phenomenon is called an “ant mill”.
e6Z4 TIL Socrates taught Plato, Plato taught Aristotle, then Aristotle taught Alexander the Great.
7r5Pb TIL the wild ancestor to domestic apples is vulnerable to extinction because the location of origin has been subject to significant loss of appropriate land to grow.