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TIL of the Chrysler Air-raid Siren. It was powered by a 331CI Hemi engine that made 180HP. It’s six horns were 3ft long, had an output of 138dB, and could be heard up to 25 miles away. It produced the loudest sound ever achieved by an air raid siren.

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8eGLK TIL Gambia is actually named "The Gambia" or the "Republic of The Gambia"
b6mxa TIL Topsy the Elephant was not killed by Edison in ordee to prove the dangers AC.
J0O1 TIL Falcons are more closely related to parrots than hawks and eagles
PYbpE TIL that Roald Dahl, while stationed in America in World War 2, slept with countless high society women while gathering intelligence. According to one socialite friend, Dahl had a “whole stable” of women, and “he slept with everybody on the east and west coasts that had more than $50,000 a year."
KOaBQ TIL the use of the term "starboard" to denote the right side of a ship is so-called because they were originally navigated with a steering oar on that side. “stéor bord” in Old English literally means “steering side”. When tying up, the dock always had to be positioned on the left, hence “port”.