Smoke Signals (1 gen 1800 anni a. C. – 31 dic 500 anni)
Descrizione:
Smoke Signals were used as the main form of communication if over a long distance. In 150BC, the greeks created a system of alphabetic characters and converted it into numeric characters so they were able to communicate it over torch smoke singals.Aggiunto al nastro di tempo:
Data:
1 gen 1800 anni a. C.
31 dic 500 anni
~ 2302 years
