Time since first human went into space

Time since first human went into space (60 y)

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Neat Ratios ...

Time since first human went into space (60 y)

is 1/500 of Time since first humans in Europe (30,000 y)...more
is 1/500 of Time since extinction of Neanderthals (30,000 y)...more
is 1/500 of Age of earliest sewing needle (30,000 y)...more
is 1/500 of Time since the earliest bread baking (30,000 y)...more
is 1/250 of Time since first humans in Americas (15,000 y)...more
is 1/40 of Time since the birth of Aristotle (2,400 y)...more
is 1/40 of Time since the birth of Euclid (2,382 y)...more
is 1/40 of Time since the birth of Alexander the Great (2,377 y)...more
is 1/20 of Time since the birth of al-Kindi (1,220 y)...more
is 1/2 of Time since first transatlantic wireless communication (121 y)...more
is 2 x Lifespan of horse (30 y)...more
is 2 x Period of Saturn's orbit (29.5 y)...more
is 4 x Time since first iPhone launched (15 y)...more
is 4 x Lifespan of a cat (15 y)...more
is 5 x Period of Jupiter's orbit (11.86 y)...more

If this was a standard unit ...