Smoke Signals (1 Jan 150 Jahr v. Chr. – 1 Feb 1300 Jahr)
Beschreibung:
In ancient china soldiers along the great wall used smoke signals to signal an attack from tower to tower. smoke signals are one of the earliest forms of long distance communication.Zugefügt zum Band der Zeit:
Datum:
1 Jan 150 Jahr v. Chr.
1 Feb 1300 Jahr
~ 1451 years
