The conquest of Samaria is claimed by Sargon as an event of his first year; and the resistance of the Tyrians, if it really continued during the full space assigned to it by Menander, must have extended beyond the terns of Shalmaneser's reign, into the first or second year of his successor.

It was probably the prolonged absence of the Assyrian monarch from his capital, caused by the obstinacy of the two cities which he was attacking, that encouraged a rival to come forward and seize the throne; just as in the Persian history we shall find the prolonged absence of Canbyses in Egypt produce a revolution and change of dynasty at Susa.

In the East, where the monarch is not merely the chief but the sole power in the state, the moving spring whose action must be continually exerted to prevent the machinery of government from standing still, it is always dangerous for the reigning prince to be long away from his metropolis.
The Orientals do not use the language of mere unmeaning compliment when they compare their sovereigns with the sun, and speak of them as imparting light and life to the country and people over which they rule.
In the king's absence all languishes; the course of justice is suspended; public works are stopped; the expenditure of the Court, on which the prosperity of the capital mainly depends, being withdrawn, trade stagnates, the highest branches suffering most; artists are left without employment; work-men are discharged; wages fall; every industry is more or less deranged, and those engaged in it suffer accordingly; nor is there any hope of a return of prosperity until the king comes home.

Under these circumstances a general discontent prevails; and the people, anxious for better times, are ready to welcome any pretender who will come forward, and, on any pretext whatever, declare the throne vacant, and claim to be its proper occupant.

If Shalmaneser continued to direct in person the siege of Samaria during the three years of its continuance, we cannot be surprised that the patience of the Ninevites was exhausted, and that in the third year they accepted the rule of the usurper who boldly proclaimed himself king.
What right the new monarch put forward, what position he had previously held, what special circumstances, beyond the mere absence of the rightful king, facilitated his attempts, are matters on which the monuments throw no light, and on which we must therefore be content to be ignorant.