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165

TIL Queen Elizabeth was a mechanic in WWII

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via reddit.com

GADkQ TIL modern vehicular cruise control was invented by a blind inventor and mechanical engineer, Ralph Teetor due to being frustrated by his driver's habit of speeding up and slowing down as he talked.
VM4yk TIL O Canada was originally written in 1880, but it didn't become Canada's official anthem until a century later. In the wake of Quebec's first independence referendum, in which 40% voted to leave Canada, the federal government dumped God Save the Queen and replaced it with O Canada
kJ571 TIL That a 1.1 grade in Germany is equivalent to 9.8/10 in Indian Scale
69D17 TIL that in 168 BC, Roman ambassador Popillius Laenas met the Seleucid king Antiochus IV to stop the war with Egypt. But when the king sought time to consult, Popillius drew a circle around him and said: "Before leaving this circle, you will give me a reply that I can take back to the Roman Senate."
BxLk TIL : A ‘Googolplex’ is such a large number, that if you were to write a '1’, followed by a '0’ on every single particle in the known universe, you would not even get CLOSE to writing out the full number.