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.
Roger I of Sicily Roger I of Sicily Roger I ( – 22 June 1101), nicknamed Roger Bosso and The Great Count, was a Norman nobleman who became the first Count of Sicily from 1071 to 1101. He was a member of the House of Hauteville, and his descendants in the male line continued to rule Sicily down to 1194. Roger was born in Normandy, and came to southern Italy as a young man in 1057. He participated in several military expeditions against the Emirate of Sicily beginning in 1061. He was invested with part of Sicily and the title of count by his