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1 janv. 200 av. J.-C. - Smoke Signals were invented
Description:
Smoke signals are the earliest form of communication.
Ajouté au bande de temps:
Communication Timeline
By
Olivia Tannous
21 nov. 2018
0
0
204
Date:
1 janv. 200 av. J.-C.
Maintenaint
~ Il y a 2225 ans
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