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TIL that Jenny’s phone number, 867-5309, is not only a prime number, but also a double prime and a member of a primitive Pythagorean triple

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PYwmg TIL of Paul Chartier, a Canadian man who attempted to bomb the Canadian House of Commons in 1966. Unfortunately (for him) the clerk who sold him the Dynamite misremembered the burn time of the fuse, resulting in the bomb prematurely exploding in a bathroom and killing him before he could use it.
oBpg8 TIL that a "rain check" was originally a ticket given to a spectator at an outdoor event interrupted by rain that provided admission to a later event (instead of a refund), but has since become an informal term for a request to reschedule any event.
awDJA TIL that ancient Greek historian Herodotus once reported that there existed gold-digging ants. This was most likely a translation error. But there are marmots in the Himalayas of the Deosai plateau where local tribes have been known to collect gold dust from their burrows
Vw94 TIL all U.S. presidents except one are related to one British king: John Lackland, signer of the Magna Carta.
16MxD TIL of Paladin Press which was a book publishing firm founded in 1970 by Peder Lund and Robert K. Brown. Titles include : "Modern Ballistic Armor: What you need to know" , "Ninja Mind Control" and reprints of military manuals. The company witnessed several lawsuits, including some murders.