Time since first humans in Americas

Time since first humans in Americas (15,000 y)

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If Time since first humans in Americas (15,000 y) was a standard unit ...

Time since the earliest primates (75 million y)...more would be 5000 x Time since first humans in Americas
Time since first humans in Europe (30,000 y)...more would be 2 x Time since first humans in Americas
Time since extinction of Neanderthals (30,000 y)...more would be 2 x Time since first humans in Americas
Age of earliest sewing needle (30,000 y)...more would be 2 x Time since first humans in Americas
Time since the earliest bread baking (30,000 y)...more would be 2 x Time since first humans in Americas
Age of earliest swords (3,700 y)...more would be 1/4 of Time since first humans in Americas
Time since the birth of Dante Alighieri (759 y)...more would be 1/20 of Time since first humans in Americas
Time since the birth of Newton (381 y)...more would be 1/40 of Time since first humans in Americas
Time since the invention of the transistor (76 y)...more would be 1/200 of Time since first humans in Americas
Period of Halley's Comet's orbit (75.3 y)...more would be 1/200 of Time since first humans in Americas
Lifespan of horse (30 y)...more would be 1/500 of Time since first humans in Americas
Period of Saturn's orbit (29.5 y)...more would be 1/500 of Time since first humans in Americas
Time since first iPhone launched (15 y)...more would be 1/1000 of Time since first humans in Americas
Lifespan of a cat (15 y)...more would be 1/1000 of Time since first humans in Americas