Time since first transatlantic wireless communication

Time since first transatlantic wireless communication (121 y)

/fact/time-since-first-transatlantic-wireless-communication

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Neat Ratios ...

Time since first transatlantic wireless communication (121 y)

is 1/250 of Time since first humans in Europe (30,000 y)...more
is 1/250 of Time since extinction of Neanderthals (30,000 y)...more
is 1/250 of Age of earliest sewing needle (30,000 y)...more
is 1/250 of Time since the earliest bread baking (30,000 y)...more
is 1/20 of Time since start of building of the Parthenon (2,466 y)...more
is 1/20 of Time since the birth of Aristotle (2,400 y)...more
is 1/20 of Time since the birth of Euclid (2,382 y)...more
is 1/20 of Time since the birth of Alexander the Great (2,377 y)...more
is 1/10 of Time since the birth of al-Kindi (1,220 y)...more
is 1/4 of Time since the publication of Copernicus's sun-centred model of the solar system (479 y)...more
is 1/2 of Time since birth of Sophie Germain (246 y)...more
is 1/2 of Time since the birth of Gauss (245 y)...more
is 2 x Time since first human went into space (60 y)...more
is 4 x Lifespan of horse (30 y)...more

If this was a standard unit ...