One average human generation

One average human generation (25 y)

/fact/one-average-human-generation

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Neat Ratios ...

One average human generation (25 y)

is 1/10000 of Time since the first modern humans (250,000 y)...more
is 1/2000 of Time since first humans in Australia (50,000 y)...more
is 1/100 of Time since the birth of Socrates (2,490 y)...more
is 1/100 of Time since start of building of the Parthenon (2,468 y)...more
is 1/50 of Time since the birth of al-Khwarizmi (1,246 y)...more
is 1/25 of Time since the birth of Toscanelli (627 y)...more
is 1/25 of Duration of Toltec Empire (626 y)...more
is 1/25 of Duration of Ottoman Empire (623 y)...more
is 1/20 of Duration of Carthaginian Empire (504 y)...more
is 1/20 of Duration of Roman Empire (503 y)...more
is 1/20 of Duration of Egyptian Empire (500 y)...more
is 1/10 of Period of Pluto's orbit (248 y)...more
is 1/10 of Time since birth of Sophie Germain (248 y)...more
is 1/10 of Time since the birth of Gauss (247 y)...more
is 1/5 of Time since birth of M. C. Escher (126 y)...more
is 1/5 of Time since first transatlantic wireless communication (123 y)...more
is 2/5 of Length of reign of Queen Victoria of the United Kingdom (63 y)...more
is 2/5 of Time since first human went into space (62 y)...more
is 2.5 x Time since first Tesla Model S launched (10 y)...more

If this was a standard unit ...