Ubaid period
The Ubaid period (c. 6500–3800 BC) is a prehistoric period of Mesopotamia.
The Ubaid period (c. 6500–3800 BC) is a prehistoric period of Mesopotamia.
The Ubaid period (c. 6500–3800 BC) is a prehistoric period of Mesopotamia.
Source: Wikipedia "Ubaid period" · CC BY-SA 4.0
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