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TIL the Canadian PM's office will send a personalized certificate for milestone birthdays and anniversaries

Read more pm.gc.ca

via reddit.com

dDRod TIL that in 1933, FBI Director John Edgar Hoover learned of a namesake who had failed to pay a debt of $900 to a store in Washington. As Hoover was particular about paying his bills on time and so did not want to be associated with this disreputable behavior, he changed his name to "J. Edgar Hoover"
KM7J TIL after Merriam-Webster added “McJob"–defined: a low-paying job that requires little skill and provides little opportunity for advancement–to their dictionary, McDonald’s asked for it to be removed. They responded with "we stand by the accuracy and appropriateness of our definition.”
nyPd TIL that some groups of bolts are “safety wired” together, so if one starts to loosen it automatically tightens the other
KOMJR TIL recycled coffee grounds can be turned into fire logs that burn hotter, last longer and have a bigger flame.
oRaxr TIL a 9-day seismic signal detected worldwide in 2023 was caused by a massive Greenland rockslide that created a 650-foot tsunami, with a 23-foot wave sloshing back and forth in a fjord for over a week