Time since invention of the printing press

Time since invention of the printing press (582 y)

/fact/time-since-invention-of-the-printing-press

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Neat Ratios ...

Time since invention of the printing press (582 y)

is 1/20 of Time since the end of the Pleistocene geologic epoch (11,700 y)...more
is 1/20 of Time since the earliest farming (11,500 y)...more
is 1/4 of Time since the birth of Archimedes (2,300 y)...more
is 1/4 of Time since the birth of Eratosthenes (2,297 y)...more
is 4 x Time since the birth of Einstein (143 y)...more
is 5 x Time since the publication of Einstein's theory of Special Relativity (117 y)...more
is 5 x Time since the birth of computer scientist Grace Hopper (116 y)...more
is 20 x Period of Saturn's orbit (29.5 y)...more
is 50 x Period of Jupiter's orbit (11.86 y)...more

If this was a standard unit ...