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TIL that Avicii died in 2018
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DQNKr
TIL catalog showrooms began to decline in the U.S. after federal and state trade laws, which had allowed manufacturers to set a fixed retail price on their products for non-wholesalers, were ruled unconstitutional. The ruling allowed discount stores like Walmart and Kmart to offer lower prices.
9axr
TIL on April 1 1974 Oliver Bickar took 70 tires to the top of Mt. Edgecumbe and lit them on fire. The locals thought the 400-year dormant volcano was erupting and a helicopter was sent up to check it out. When the helicopter arrived, the pilot found the words “APRIL FOOL” spray painted on the snow.
LQbed
TIL Kokura, Japan was the original target of the second atomic bomb dropped during World War II
VBwvD
TIL about Leonhard Euler (1707-1783) who not only popularised the use of lower case Pi to denote the ratio of a circle's circumference to it's diameter, but was also the first to use "i" to denote the square root of -1. The constant "e", the base number in a natural logarithm is the Euler Number
K4a6
TIL: Dogs Can Smell Parts Per Trillion. A Human Equivalent Would Be Perfect Vision Up To THREE THOUSAND Miles Away.