Thus a certain Mesilim, king of Kish, whose inscribed mace-head was discovered at Tellô (Lagash),[19] informs us that he had dedicated the same to the god Nin-girsu, during the patesiate of Lugal-shar-engur at Lagash, and that he had further restored the temple of this same god. Nothing further is known regarding this patesi of Lagash, but Mesilim reigned at Kish at a very early date, for Entemena of Lagash commences his historical sketch of the relationship which had existed between his own city and that of Umma with the period of Mesilim.
Now the racial origin of Mesilim is a matter of doubt, but there is no doubt as to the Semitic origin of Sharru-Gi, Manishtusu and Urumush, later kings of Kish, whose reigns must be assigned to the pre-Sargonic period, and it is perhaps therefore reasonable to suppose that the earlier Mesilim was also a Semite. If that be the case, the mace-head of this ruler contains evidence that the early Sumerian city of Lagash was at one time under the domination of Semites, and conclusively proves that—so far as documentary evidence is concerned—Sumerians and Semites existed side by side in Babylonia from the earliest period of Mesopotamian civilization.
Some time after, Lagash succeeded in asserting her independence, and many of her subsequent rulers style themselves “kings.” The First Dynasty of Lagash which was seemingly founded by Ur-Ninâ established themselves securely for some considerable time, but the reign of Urukagina saw the end of the dynasty, and the capture and sack of the city by Lugal-zaggisi, a ruler of the neighbouring city of Umma.
The limits of Lugal-zaggisi’s empire included Ur, Erech, Larsa and Nippur, and he was undoubtedly one of the most powerful rulers of his day. Other pre-Sargonic kings whose power was specifically associated with Erech and Ur, were Lugal-kigub-nidudu and Lugal-kisalsi, but the extent of their sway cannot be estimated with any degree of certainty.
In the time immediately preceding the establishment of the empire of Shar-Gâni-sharri and Narâm-Sin, the rallying point of the Semitic forces of Akkad seems to have been the city of Kish, the conquests of whose three kings Sharru-Gi Manishtusu and Urumush prepared the way for their successors at Agade. Thus both Manishtusu and Urumush seem to have extended their power southward into the land of Sumer, while both these kings warred successfully against Elam.
The empire of Shar-Gâni-sharri and Narâm-Sin was however destined to entirely eclipse that of their forerunners, for it not only embraced Mesopotamia north and south, but also Syria and Palestine, and was in fact the first Babylonian empire worthy of the name.
Meanwhile the power of the Sumerians in the south had received a temporary check, and the patesis of Lagash, and other Sumerian centres at the time, clearly ruled on sufferance and not on the strength of rights which they were prepared to assert successfully in the battle-field.
But on the accession of Gudea about 2450 B.C., the momentarily smoking flame of Sumerian influence in Babylonia was kindled anew, and a strong anti-Semitic wave set in. This wave does not seem to have been characterized by a series of wars or battles, for the records of Gudea, the most powerful ruler among the later patesis of Lagash, seldom refer to anything in the nature of military achievements, but the extensiveness of his building operations testifies to the abundance of resources at his command, while the names of the countries which he laid under contribution for building-materials conclusively prove that the influence exercised by Lagash during the reign of Gudea was considerable. The list of the places from which he derived wood and stone includes the mountains in Arabia and on the Syrian coast, while he obtained copper from the mines in the Elamite territory east of the Tigris.
But the importance of Lagash was soon to pass away, and Ur became the dominating power in Babylonia. The dynasty of Ur (circ. 2400 B.C.), which lasted close on 120 years, was founded by Ur-Engur. He included the whole of Southern Babylonia within his sphere of influence, while in the north, he has left evidence of his architectural undertakings at Nippur; hence he styled himself the “King of Sumer and Akkad,” but the fact that his son and successor Dungi found it necessary to reduce Babylon indicates that his authority in Akkad was not unquestioned. Dungi reigned 58 years, during which he reduced the whole of Babylonia beneath his sway, and apparently annexed the greater part of Elam. So firmly had he established his control over Elam, that we find the capital of that country (Susa) still retained by his successors, though frequent expeditions had to be undertaken to maintain the “status quo.”
The dynasty of Ur would appear to have been brought to an end by an invasion of Elamites; at all events Ibi-Sin, the last king of Ur, was carried away by the Elamites, and the rule in Babylonia then passed to the city of Isin. The dynasty of Isin lasted some 225 years, during which Babylonia enjoyed great prosperity.