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6th millennium BC - Wikipedia
5th millennium BC - Wikipedia
Google Maps
The History of Civilization Mapped in 13 Minutes: 5000 BC to …
Cradle of civilization - Wikipedia
Egyptian Civilization - 5500 BCE - History Tree
World map 550 BC - World History Maps
The Ubaid Period (5500–4000 B.C.) - The Metropolitan Museum of …
Ancient Egypt: Predynastic Period (5500-3100 BCE) - ThoughtCo
Timeline: 12,000 to 4500 BCE (BC) - fsmitha.com