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12 giug 2400 anni a. C. - Abacus was invented by the Babylon.

Descrizione:

It is the earliest known tool of computing.

Aggiunto al nastro di tempo:

CP timeline - Tiana Zhao

ByTiana Zhao
30 gen 2018

Data:

12 giug 2400 anni a. C.
Adesso
~ 4427 years ago
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