We shall see when we come to deal with the Sumerian and Babylonian forms of the Flood myth that its presence in the region of the Tigris-Euphrates valley can be explained as due to the periodical occurrence there of disastrous floods.

The inhabitants of the Tigris-Euphrates valley were confronted by various natural phenomena.

They had drifted slightly off their course during the night, and as far as Marco could estimate were speeding down the Tigris-Euphrates valley.

Asipu, a social group residing in Tigris-Euphrates valley (a modern day Iraq) around 3200 BC.

The crucial discovery of writing, which took place not long before 3000 B.C., was made by the Sumerians, who then lived along the lower reaches of the Tigris-Euphrates valley.

This meant that the Tigris-Euphrates valley contained also Akkadians, Arameans, and other peoples whose language and culture were different from that of the Sumerians, while the population along the Nile, on the other hand, was quite uniform.

The greatness that was Babylon;: A sketch of the ancient civilization of the Tigris-Euphrates valley, (A Mentor book) (Unknown Binding)

All the east, including the Tigris-Euphrates valley, was now part of the independent kingdom of Parthia (ruled by a people akin to the Persians).

A Favorite Beverage From artifacts and other evidence, scholars had already determined that beer was the favorite fermented beverage of the Sumerians, who lived mainly in the lower Tigris-Euphrates valley.

The Tigris-Euphrates valley, in what is now Iraq, had been inhabited as early as 4000 BCE by the people known as the Sumerians who had established one of the first great cultures of the Oikumene (the civilised world).