"The disintegration of Egypt commenced about B.C. 760-750, towards the close of the twenty-second dynasty. The discord predicted was probably the natural consequence of the overthrow of the Ethiopian power by Sargon, the Assyrian king, in B.C. 720. Under Piankhi each nome, or district, had been governed by a chief, owning the suzerainty of the Ethiopian king, and these, when the restraint was removed, would naturally assert their independence"