County of Sicily with Robert Guiscard. In fact, the seat of Roger I's government was the Calabrian town of Mileto. According to the historians Agostino Inveges and Matteo Camera Roger I started to use the title ""Great Count of Sicily and Calabria"" since 1096. After the death of Roger I the major change was the transfer of the capital: Palermo became the capital in 1112, when Roger II was invested with the County, after the regency of the mother Adelaide del Vasto. With this change, Sicily come to be governed by the central government, while the Calabrian territories became a provincial administrative unit.
Muslim conquest of Sicily met with their emissaries, he was murdered. It is unknown what happened to Euphemius' supporters after his death, whether they dispersed or continued fighting alongside the Muslims. In spring 829, Michael II sent a new fleet to Sicily under Theodotus, who was well acquainted with the island, having already served as its "strategos" in the past. After landing, Theodotus marched his army to Enna, where the Arabs were continuing the siege. He was defeated in the subsequent battle, but was able to find refuge in the fortress with most of his men. The Muslims now became so confident of victory