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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:
14 nov 2018
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0
347
Timeline on the develpoment of technology
Data:
1 jan 150 ano antes da era comum
Agora
~ 2175 years ago