Ancient Sumer

One of the most famous writings of the Sumer is the Sumerian King List, also known as the Chronicle of the One Monarchy.

An excerpt from the article 18 facts about ancient Sumer
It was written at the end of the third millennium B.C. and contains a list of the kings and dynasties ruling the Sumer. The work is semi-legendary, and the information it contains is constantly verified by scientists.