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TIL “Public relations” was invented by Freud´s nephew Edward Bernays as a substitute for “Propaganda” due to negative implications surrounding the word because of its use by the Germans

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Ypm1v TIL in spring of 1942 German U-boats terrorized east coast of US sinking fuel tankers and cargo ships with impunity and often within sight of shore and in less than 7 months destroyed 22 percent of the tanker fleet and sank 233 ships killing 5,000 ...more than 2X number who perished at Pearl Harbor.
rRye4 TIL Pat Keller was the first person to Kayak off of Linville Falls. One of his professors documented the descent and the photographs ended up in a couple of magazines . . . which were seen by the National Parks Service who fined Pat Keller $5,000.
GBKE TIL sundial cannons were used by European royalty in the 18th century, it incorporates a cannon with a fuse that is lit by an overhanging lens, concentrating the rays of the sun, and causing the cannon to fire at noon, signifying the time for their midday meal.
WkLdo TIL when John Connally died in 1993, there was a petition to recover the fragments of the bullet that hit him in Kennedy's assassination, hoping to disprove the single bullet theory. Department of justice replied that it would approve if Connally's family gave permission, which they refused to give.
BrxVd TIL Tibbles the cat was personally responsible for the extinction of the Stephens Island Wren.