Pedzisa mashoko anotevera: Panguva imwe chete, Byzantium yakatarisana nevavengi vatsva. Mapurovhinzi ayo ari kumaodzanyemba kweItaly akatyisidzirwa nevaNorman, vakasvika muItaly pakutanga kwezana remakore rechi11. Mukati menhambo yokurwisana pakati peConstantinople neRoma kwakaguma neEast-West Schism ya 1054, vaNorman vakatanga kufambira mberi, zvishoma nezvishoma asi nenzira yakatsiga, kupinda muByzantine Italy. Reggio, dzimbahwe retagma reCalabria, rakabatwa muna 1060 naRobert Guiscard, ichiteverwa neOtranto muna 1068. Bari, nhare huru yeByzantium muApulia, yakakomberedzwa muna August 1068 uye
yakawa muna April 1071.