Time since the end of the Neogene geologic period

Time since the end of the Neogene geologic period (2.58 million y)

/fact/time-since-the-end-of-the-neogene-geologic-period

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Neat Ratios ...

Time since the end of the Neogene geologic period (2.58 million y)

is about as big as Age of earliest stone hand axe (2.6 million y)...more
is 250 x Time since first domestication of cattle (10,500 y)...more
is 250 x Time since first domestication of cats (10,500 y)...more
is 400 x Age of the earliest city (6,500 y)...more
is 500 x Age of oldest wooden wheel (5,150 y)...more
is 500 x Time since building of Stonehenge (5,120 y)...more
is 500 x Time since the earliest writing (5,100 y)...more
is 1000 x Time since the birth of Pythagoras (2,594 y)...more
is 10000 x Time since the birth of Joseph Fourier (256 y)...more

If this was a standard unit ...