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30 déc. 151 av. J.-C. - smoke signals
Description:
In Greek, a Greek historian named Polybius developed a system of making certain smoke signals refer/mean a certain letter of the alphabet
Ajouté au bande de temps:
17 sept. 2018
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Date:
30 déc. 151 av. J.-C.
Maintenaint
~ Il y a 2177 ans
Les images: