History of the Cyclades 6th century BC). The Persians tried to take them during their attempts to conquer Greece. Then they entered into Athens' orbit with the Delian Leagues. The Hellenistic kingdoms disputed their status while Delos became a great commercial power. Commercial activities were pursued during the Roman and Byzantine Empires, yet they were sufficiently prosperous as to attract pirates' attention. The participants of the Fourth Crusade divided the Byzantine Empire among themselves and the Cyclades entered the Venetian orbit. Western feudal lords created a certain number of fiefs, of which the Duchy of Naxos was the most important. The Duchy was conquered
History of the Cyclades Ibrahim Pasha) led to an influx of people into the Cyclades, the survivors in effect becoming refugees there. In 1825, when Ibrahim Pasha landed in the Peloponnese with his Egyptian troops, a great number of refugees flooded onto Syros. The ethno-religious composition of the island and its urban structure were totally transformed as a result. The Catholic island became ever more Orthodox. The Greeks using the Greek rite moved onto the coast in what would later become the very busy port of Ermoupoli, while the Latin-rite Greeks remained on the heights of the medieval city. From the beginning of the