Crete was separated from Cyrenaica . It remained a province within the eastern half of the Roman Empire, usually referred to as the Eastern Roman (Byzantine) Empire after the establishment of a second capital in Constantinople by Constantine in 330. Crete was subjected to an attack by Vandals in 467, the great earthquakes of 365 and 415, a raid by Slavs in 623, Arab raids in 654 and the 670s, and again in the 8th century. In , the Emperor Leo III the Isaurian transferred the island from the jurisdiction of the Pope to that of the Patriarchate of Constantinople.