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TIL the phrases “1st world, 2nd world, & 3rd world” do not represent wealth, but rather represent economic and political systems. First world being capitalism, second world being socialism, and third world being neutral/non-aligned.

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nnD7 TIL due to its pagan origin, the Christmas festival was banned in Massachusetts between 1659 and 1681 by the Puritans as an illegal observance.
N7yEM TIL despite the huge size of whales, their pupils are only about 50% larger than those of humans. However, this still means they can hypothetically see stars about one magnitude fainter than we can, revealing 2.5 times more stars. Giant deep-sea squids have pupils some 10 times wider than whales.
OGLQY TIL Abracadabra is of unknown origin, the first known mention of the word was in the second century AD by a physician to the Roman emperor who prescribed that malaria sufferers should wear an amulet containing Abracadabra written in the form of a triangle.
8aMLG TIL Our solar system is closer to the center of the Canis Major Dwarf Galaxy than it is to the center of the Milky Way.
R5Z1 TIL that if you put a bottle of champagne into a microwave it doesn’t simply explode- the entire microwave blows up.