Smoke Signals (11 h 11 min, 29 août 1800 ans av. J.-C. – 22 h 44 min, 30 juin 500 ans)
Description:
For a long time, Smoke Signals were used as the main form of communication. This is because it could be used over a long distance. In 150BC, the Greeks created a system of alphabetic characters and converted it into numeric characters. This way they could convert it using pairs of torches into smoke signals.Ajouté au bande de temps:
Date:
11 h 11 min, 29 août 1800 ans av. J.-C.
22 h 44 min, 30 juin 500 ans
~ 2302 years