21
/de/
de
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
2218786
186020
2

20 Feb 150 Jahr v. Chr. - SMOKE SIGNAL

Beschreibung:

The earliest form of long distance communication. Greek historian, Polybius, developed a system of alphabetical smoke signals by holding sets of torches in pairs.

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Datum:

20 Feb 150 Jahr v. Chr.
Jetzt
~ 2171 years ago
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