civilizations (that’s another word for society) in the world. It began over 3,000 years ago and lasted for over 2,500 years. You could even say it existed from the beginning of time. Where was Mesopotamia? Here is a map of Mesopotamia, around the time of 1,200 BC Map licensed CC BY-SA 4.0 via Wikimedia. Mesopotamia was located between the Euphrates and Tigris rivers in the Middle East. That's where Iraq and parts of Syria and Turkey are today. Thank Mesopotamia for that This is the world’s oldest peace treaty from Mesopotamia during the third millennium CE. Photo by FABRICE COFFRINI/AFP via Getty Images