Memnon the Rhodian, now in supreme command of the Persian fleet, saw the European coasts exposed and set out to raise Greece, where discontent always smouldered in Alexander's rear.
The embers of Lollardy, not extinguished by the new central fountain of learning, the university of St Andrews, smouldered in the west till the Reformation.
Several expeditions involving heavy fighting were necessary against these in 1901-4, and a certain amount of success was achieved, but the pretender escaped, revolt still smouldered and hostilities were continued.
In the west the old conflict for Osroene and northern Mesopotamia (now Roman provinces), with the fortresses of Edessa, Carrhae and Nisibis, still smouldered.