"Normans conquer Apulia and Calabria; unable to conquer Balkans"@en . . "Byzantine\u2013Norman wars"@en . "Reggio Calabria, the capital the of tagma of Calabria, was captured by Robert Guiscard in 1060. At the time, the Byzantines held a few coastal towns in Apulia, including the capital of the catepanate of Italy, Bari. Otranto was besieged and fell in the October 1068; in the same year, the Normans besieged Bari itself and, after defeating the Byzantines in a series of battles in Apulia, and after any attempt of relief had failed, the city surrendered in April 1071, ending the Byzantine presence in southern Italy."@en . . "Apulia, Calabria, Balkans,"@en . . . . . . . . "Norman Kingdom of Sicily"@en . "John II Comnenus"@en . . . . ","@en . . "Byzantine–Norman Wars"@en . . . . "Reggio Calabria, the capital the of tagma of Calabria, was captured by Robert Guiscard in 1060. At the time, the Byzantines held a few coastal towns in Apulia, including the capital of the catepanate of Italy, Bari. Otranto was besieged and fell in the October 1068; in the same year, the Normans besieged Bari itself and, after defeating the Byzantines in a series of battles in Apulia, and after any attempt of relief had failed, the city surrendered in April 1071, ending the Byzantine presence in southern Italy."@en . . "Andronicus Comnenus"@en . . "Stalemate; Uti possidetis"@en . . . . . "Isaac II Angelus"@en . . "Manuel I Comnenus"@en . .