Time since the building of Great Wall of China

Time since the building of Great Wall of China (1,800 y)

/fact/time-since-the-building-of-great-wall-of-china

Link

Neat Ratios ...

Time since the building of Great Wall of China (1,800 y)

is 2/5 of Time since building of the Great Pyramid of Giza / Cheops / Khufu (4,580 y)...more
is about as big as Time since the birth of Diophantus (1,812 y)...more
is 2 x Time since building of Angkor Wat (903 y)...more
is 2 x Time since the birth of Ibn Rushd (Averroes) (896 y)...more
is 4 x Time since the birth of Shakespeare (458 y)...more
is 4 x Time since the birth of Galileo (457 y)...more
is 10 x Time since the birth of Cantor (177 y)...more
is 40 x Time since first Apple ][ computer launched (45 y)...more

If this was a standard unit ...