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TIL Sunday being a day off was first introduced Roman Emperor Constantine I who decreed in year 321 that all work should cease on that day to allow for worship.

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lx4V TIL on Titan the atmosphere is so thick and the gravity so low that humans could fly through it by flapping “wings” attached to their arms.
R5BWj TIL Eduard Khil or Edward Hill died only 2 years after reaching internet fame from the Trololo song.
MeLpK TIL that Phobos, one of the martian moons, is slowly spiraling inward to eventual destruction and Mars will eventually have a ring
9pR6 TIL that the longest word in the world is the protein that gives the springiness to your muscles. The name has over 189,000 letters and would take over 5 hours to read. It is also known as ‘Titin’.
ANDj7 TIL that Nearly half of Americans (49%) have parallelophobia, or the fear of parallel parking. Only about half (53%) feel “very confident” in their parallel parking skills.