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1 gen 150 anni a. C. - Smoke Signals

Descrizione:

Greek Historian, Polybius made complicated alphabetical smoke signlas by holding them in pairs.

Aggiunto al nastro di tempo:

Timeline on the develpoment of technology

ByEsha Motti Abraham

14 nov 2018

1

0

482

Data:

1 gen 150 anni a. C.

Adesso

~ 2177 years ago

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