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 (trade was one of their chief activities) and their misfortune (control of the Cyclades allowed for control of the commercial and strategic routes in the Aegean). Numerous authors considered, or still consider them as a sole entity, a unit. The insular group is indeed rather homogeneous from a geomorphological point of view; moreover, the islands are visible from each other's shores while being distinctly separate from the continents that surround them. The dryness of the climate and of the soil also suggests unity. Although these physical facts are undeniable, other components of this unity are more subjective. Thus, one can