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Smoke Signals (jan 1, 1800 BC – dec 31, 500)

Description:

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.

Added to timeline:

9 Nov 2018
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Communication Systems
Communication systems timeline for 11/9 geography class.

Date:

jan 1, 1800 BC
dec 31, 500
~ 2302 years
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