Smoke Signals (7 Apr 150 Jahr v. Chr. – 1 Jan 1918 Jahr)
Beschreibung:
The earliest form of long-distance communication generally used to alert others of impending enemies. These were used by China and by Indigenous North Americans.Zugefügt zum Band der Zeit:
Datum:
7 Apr 150 Jahr v. Chr.
1 Jan 1918 Jahr
~ 2069 years
