"However, after initially being prevented from doing so by powerful Assyrian kings of the Old Assyrian Empire intervening from northern Mesopotamia, these Amorites would eventually overrun southern Mesopotamia, and found the state of Babylon in 1894 BC, where they became "Akkadianized", adopted Mesopotamian culture and language, and blended into the indigenous population.Babylon became the centre of a short lived but influential Babylonian Empire in the 18th century BC, and subsequent to this southern Mesopotamia came to be known as Babylonia, with Babylon superseding the far more ancient city of Nippur as the primary religious center of southern Mesopotamia.