King Sargon was the king to establish and rule the first Mesopotemium empire.
Explanation:
Sargon was the king of an empire that he established between Tigris and Euphrates River on a fertile land. Sargon and his successors won battles after battles to conquer power over the empire.
People of these regions were known to be Sumerians. The civilization is called 'Creator of civilization'. The modern people deem Sumerians to be innovative in terms of languages and architecture. They also have an innovative governing method. The civilization existed for about 2,000 years. Their control over the land between the Tigris and Euphrates River was ended by Babylonians.