Did you know? Length of one Alautun, longest unit in Mayan calendar (63.1 million y) is 250 x Time since the first modern humans (250,000 y)
Mass of heaviest weights lifted in Olympic Weightlifting (Clean and Jerk) (274 kg)
/fact/mass-of-heaviest-weights-lifted-in-olympic-weightlifting-clean-and-jerk
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If this was a standard unit ...