One of the earliest civilizations formed was called the Sumerians. They lived in the Tigris and Euphrates river valley after taking over Mesopotamia. Notably one of their biggest developments was the invention of written language, in which they used shapes to symbolize the
One of the earliest civilizations formed was called the Sumerians. They lived in the Tigris and Euphrates river valley after taking over Mesopotamia. Notably one of their biggest developments was the invention of written language, in which they used shapes to symbolize the