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30 mars 2400 av. J.-C. - Tech: Abacus Invented

Description:

Abacus: the first known calculator, the abacus, was invented in Babylonia

Ajouté au bande de temps:

Myopia (Linear Life)

ByFae Isreal
12 nov. 2017

Date:

30 mars 2400 av. J.-C.
Maintenaint
~ Il y a 4427 ans
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