According to all appearance it was the Egyptian conquest about sixteen centuries B.C., that led to the partition of Mesopotamia. Vassals of Thothmes and Rameses, called by Berosus the "Arab kings," sat upon the throne of Babylon. The tribes of Upper Mesopotamia were farther from Egypt, and their chiefs found it easier to preserve their independence. At first each city had its own prince, but in time one of these petty kingdoms absorbed the rest, and Nineveh became the capital of an united Assyria. As the years passed away the frontiers of the nation thus constituted were pushed gradually southwards until all Mesopotamia was brought under one sceptre. This consummation appears to have been complete by the end of the fourteenth century, at which period Egypt, enfeebled and rolled back upon herself, ceased to make her influence felt upon the Euphrates. Even then Babylon kept her own kings, but they had sunk to be little more than hereditary satraps receiving investiture from Nineveh. Over and over again Babylon attempted to shake off the yoke of her neighbour; but down to the seventh century her revolts were always suppressed, and the Assyrian supremacy re-established after more or less desperate conflicts.
During nearly half a century, from about 1060 to 1020 B.C., Babylon seems to have recovered the upper hand. The victories of her princes put an end to what is called the First Assyrian Empire. But after one or two generations a new family mounted the northern throne, and, toiling energetically for a century or so to establish the grandeur of the monarchy, founded the Second Assyrian Empire. The upper country regained its ascendency by the help of military institutions whose details now escape us, although their results may be traced throughout the later history of Assyria. From the tenth century onwards the effects of these institutions become visible in expeditions made by the armies of Assyria, now to the shores of the Persian Gulf or the Caspian, and now through the mountains of Armenia into the plains of Cappadocia, or across the Syrian desert to the Lebanon and the coast cities of Phœnicia. The first princes whose figured monuments—in contradistinction to mere inscriptions—have come down to us, belonged to those days. The oldest of all was Assurnazirpal, whose residence was at Calach (Nimroud). The bas-reliefs with which his palace was decorated are now in the Louvre and the British Museum, most of them in the latter.[67] They may be recognized at once by the band of inscription which passes across the figures and reproduces one text again and again ([Fig. 4]). To Assurnazirpal's son Shalmaneser III. belongs the obelisk of basalt which also stands in the British Museum. Its four faces are adorned with reliefs and with a running commentary engraved with extreme care.[68]
Shalmaneser was an intrepid man of war. The inscriptions on his obelisk recall the events of thirty-one campaigns waged against the neighbouring peoples under the leadership of the king himself. He was always victorious, but the nations whom he crushed never accepted defeat. As soon as his back was well turned they flew to arms, and again drew him from his repose in the great palace which he had built at Calach, close to that of his father.[69]
Under the immediate successors of Shalmaneser the Assyrian prestige was maintained at a high level by dint of the same lavish bloodshed and truculent energy; but towards the eighth century it began to decline. There was then a period of languor and decadence, some echo of which, and of its accompanying disasters, seems to have been embodied by the Greeks in the romantic tale of Sardanapalus. No shadow of confirmation for the story of a first destruction of Nineveh is to be found in the inscriptions, and, in the middle of the same century, we again find the Assyrian arms triumphant under the leadership of Tiglath Pileser II., a king modelled after the great warriors of the earlier days. This prince seems to have carried his victorious arms as far east as the Indus, and west as the frontiers of Egypt.
And yet it was only under his second successor, Saryoukin, or, to give him his popular name, Sargon, the founder of a new dynasty, that Syria, with the exception of Tyre, was brought into complete submission after a great victory over the Egyptians (721-704).[70] In the intervals of his campaigns Sargon built the town and palace which have been discovered at Khorsabad, Dour-Saryoukin, or the "town of Sargon."
His son Sennacherib equalled him both as a soldier and as a builder. He began by crushing the rebels of Elam and Chaldæa with unflinching severity; in his anger he almost exterminated the inhabitants of Babylon, the perennial seat of revolt; but, on the other hand, he repaired and restored Nineveh. Most of his predecessors had been absentees from the capital, and had neglected its buildings. They had preferred to place their own habitations where they could escape from the crowd and the dangers it implied. But Sennacherib was of another mind. He chose a site well within the city for the magnificent palace which Mr. Layard has been the means of restoring to the world. This building is now known as Kouyundjik, from the name of the village perched upon the mound within which the buildings of Sennacherib were hidden.[71]
Sennacherib rebuilt the walls, the towers, and the quays of Nineveh at the same time, so that the capital, which had never ceased to be the strongest and most populous city of the empire, again became the residence of the king—a distinction which it was to preserve until the fast approaching date of its final destruction.
The son of Sennacherib, Esarhaddon, and his grandson, Assurbanipal, pushed the adventures and conquests of the Assyrian arms still farther. They subdued the whole north of Arabia, and invaded Egypt more than once. They took and retook Memphis and Thebes, and divided the whole valley of the Nile, from the Ethiopian frontier to the sea, into a number of vassal principalities, whose submission was insured by the weakness and mutual jealousies of their lords. Ever prompt in revolt, Babylon again exposed itself to sack, and Susiana, which had helped the insurrection, was pillaged, ravaged, and so utterly crushed that it was on the point of disappearing for ever from the scene as an independent state. There was a moment when the great Semitic Empire founded by the Sargonides touched even the Ægæan, for Gyges, king of Lydia, finding himself menaced by the Cimmerians, did homage to Assurbanipal, and sued for help against those foes to all civilization.[72]