Smoke Signals (1 Jan 150 Jahr v. Chr. – 1 Jan 500 Jahr)
Beschreibung:
For a long time, smoke signals were the best way to send messages from far distances. In 150 BC the Greeks used a system of smoke signals that could mean alphabetical symbols when using the smoke.
Zugefügt zum Band der Zeit:
Datum:
1 Jan 150 Jahr v. Chr.
1 Jan 500 Jahr
~ 650 years