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1 jan 150 ano antes da era comum - Smoke Signals

Descrição:

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

Adicionado na linha do tempo:

Timeline on the develpoment of technology

ByEsha Motti Abraham

14 nov 2018

1

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479

Data:

1 jan 150 ano antes da era comum

Agora

~ 2177 years ago

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