Time since the birth of Alexander the Great

Time since the birth of Alexander the Great (2,379 y)

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Neat Ratios ...

Time since the birth of Alexander the Great (2,379 y)

is 1/2000 of Age of earliest mammoth fossils (4.8 million y)...more
is 1/5 of Time since the end of the Pleistocene geologic epoch (11,700 y)...more
is about as big as Time since the birth of Aristotle (2,400 y)...more
is about as big as Time since the birth of Euclid (2,384 y)...more
is 4 x Time since invention of the printing press (584 y)...more
is 5 x Time since the publication of Copernicus's sun-centred model of the solar system (481 y)...more
is 20 x Time since the publication of Einstein's theory of Special Relativity (119 y)...more
is 20 x Time since the birth of computer scientist Grace Hopper (118 y)...more
is 25 x Time since Charles Lindbergh first flew across the Atlantic (97 y)...more
is 50 x Time since Concorde Supersonic Airliner entered service (48 y)...more
is 50 x Time since first Apple ][ computer launched (47 y)...more
is 200 x Period of Jupiter's orbit (11.86 y)...more

If this was a standard unit ...