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1 janv. 150 av. J.-C. - Smoke Signals
Description:
One of the earliest forms of long distance communication. Used by ancient Chinese soldiers. Made by a Greek historian.
Ajouté au bande de temps:
13 nov. 2018
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Technology timeline
Date:
1 janv. 150 av. J.-C.
Maintenaint
~ Il y a 2175 ans