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TIL Today is the 97th anniversary of the Battle of Vimy Ridge. Three German divisions held the ridge and after multiple American and British attempts to take the ridge, Canada captured it. It is widely regarded as the “birth” of Canada as a independent country.

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YpVYZ TIL that Yakutsk, in the Siberian region known as the Sakha Republic, is widely identified as the world’s coldest city. Winter temperatures regularly fall to -40°F (-40°C) and the lowest ever recorded was a staggering -83°F (-63.89°C)
8aWV TIL A mathematician called Paul Erdős used amphetamines to improve his work. A friend bet him $500 he couldn’t quit the amphetamines he for a month. Erdős won and then promptly resumed taking them after complaining it had delayed his mathematics work by a month.
xVbPg TIL McDonald's changed their coffee stirrers from spoons to paddles because too many people were using them as cocaine spoons
VM1Q0 TIL that Michael Keaton is actually Michael Douglas. He had to change his name because there was already a Michael Douglas.
R5Ny7 TIL of Cottonclads, a class of lightly armed Confederate river ships armored with cotton bales. They used sharpshooters and rams as their main weapons, dropping the gangplanks down to board Union ships. They were used effectively at the Battle of Galveston, capturing the Harriet Lane.