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90

TIL the Battle of Vimy Ridge was the first time when all four divisions of Canada’s army fought together. They had captured more ground, more prisoners and more guns than any previous Allied offensive in the two and a half years of war up to that point. Today is the 96th anniversary of the assault.

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via reddit.com

0Xry TIL that the city of Seattle generates 90% of its electricity from water (and almost all the rest from nuclear and wind)
W77V9 TIL about the “true history”. A short satirical novel written in the 100s by Lucian of samosata that has been stated by some to be the oldest Sci-fi novel in history. It features Lucian travelling to the moon, getting embroiled in a war between the moon and sun and meeting the heroes of the illiad.
P1EWn TIL about the UW Lozenge. A ‘breath mint’ that is under development that could rebuild decaying teeth with just two of the lozenges a day.
rROmx TIL of the "nut rage incident", where on a Korean Air flight the vice president of the airline struck the cabin crew chief with a tablet and ordered the plane to return to the gate after being being served nuts in a plastic bag instead of on a plate.
5wkp TIL that water in Lake Erie replaces itself in 2.6 years while the water in Lake Superior takes 191 years to do the same.