If Time since the publication of Einstein's theory of Special Relativity (119 y) was a standard unit ...
Time since first humans in Europe (30,000 y)...more would be 250 x Time since the publication of Einstein's theory of Special Relativity
Time since extinction of Neanderthals (30,000 y)...more would be 250 x Time since the publication of Einstein's theory of Special Relativity
Age of earliest sewing needle (30,000 y)...more would be 250 x Time since the publication of Einstein's theory of Special Relativity
Time since the earliest bread baking (30,000 y)...more would be 250 x Time since the publication of Einstein's theory of Special Relativity
Time since the end of the Pleistocene geologic epoch (11,700 y)...more would be 100 x Time since the publication of Einstein's theory of Special Relativity
Time since the birth of Aristotle (2,400 y)...more would be 20 x Time since the publication of Einstein's theory of Special Relativity
Time since the birth of Euclid (2,384 y)...more would be 20 x Time since the publication of Einstein's theory of Special Relativity
Time since the birth of Alexander the Great (2,379 y)...more would be 20 x Time since the publication of Einstein's theory of Special Relativity
Time since invention of the printing press (584 y)...more would be 5 x Time since the publication of Einstein's theory of Special Relativity
Time since the publication of Copernicus's sun-centred model of the solar system (481 y)...more would be 4 x Time since the publication of Einstein's theory of Special Relativity
Time since the birth of computer scientist Grace Hopper (118 y)...more would be about as big as Time since the publication of Einstein's theory of Special Relativity
Time since Concorde Supersonic Airliner entered service (48 y)...more would be 2/5 of Time since the publication of Einstein's theory of Special Relativity
Time since first Apple ][ computer launched (47 y)...more would be 2/5 of Time since the publication of Einstein's theory of Special Relativity
Lifespan of horse (30 y)...more would be 1/4 of Time since the publication of Einstein's theory of Special Relativity
Period of Saturn's orbit (29.5 y)...more would be 1/4 of Time since the publication of Einstein's theory of Special Relativity
Period of Jupiter's orbit (11.86 y)...more would be 1/10 of Time since the publication of Einstein's theory of Special Relativity
