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It’s the eastern river in an important historical region
One of the most important historical regions in the world is called Mesopotamia. It’s believed that this is the place where the first civilizations emerged during the so-called Neolithic Revolution which started around 10,000 B.C. This region covers most parts of modern-day Iraq and Kuwait and also parts of eastern Syria and southeastern Turkey. The Tigris River, along with its western counterpart, the Euphrates River, was a critical part of the so-called “Fertile Crescent” which allowed this otherwise desolate desert region to thrive.
