History of the Cyclades Roman province. Under Diocletian, there existed a “province of the islands” that included the Cyclades. Christianisation seems to have occurred very early in the Cyclades. The catacombs at Trypiti on Milos, unique in the Aegean and in Greece, of very simple workmanship, as well as the very close baptismal fonts, confirms that a Christian community existed on the island at least from the 3rd or 4th century. From the 4th century, the Cyclades again experienced the ravages of war. In 376, the Goths pillaged the archipelago. When the Roman Empire was divided, control over the Cyclades passed to the Byzantine
History of the Cyclades houses had flat roofs made of schist slabs covered up with clay and truncated corners designed to allow beasts of burden to pass by more easily. From the 8th century BC, the Cyclades experienced an apogee linked in great part to their natural riches (obsidian from Milos and Sifnos, silver from Syros, pumice stone from Santorini and marble, chiefly from Paros). This prosperity can also be seen from the relatively weak participation of the islands in the movement of Greek colonisation, other than Santorini's establishment of Cyrene. Cycladic cities celebrated their prosperity through great sanctuaries: the treasury of Sifnos, the