1 jan 2900 ano antes da era comum - Cuneiform

Descrição:

At first, for recording economic transactions, then started being used for cultural building, e.g. Epic of Gilgamesh and religious texts, traditions.
Few people knew how to read and write, but it was necessary for the smooth running of society that at least the rich people knew.
Literacy leads to expansion of knowledge: astronomy, mathematics, calendars, etc.

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