Dee ihe na-aga n'ihu maka paragraf a - Ka alaeze Byzantium dara n'okpuru ndị nọchiri Basil, mwakpo nke Pechenegs na ụtụ isi na-arị elu nyere aka mee ka enweghị afọ ojuju na-abawanye, nke rụpụtara ọtụtụ nnukwu nnupụisi na 1040<unk>41, 1070s, na 1080s. Ebe mbụ e guzobere nguzogide ahụ bụ na Bulgaria, n'ebe bụzi Masedonia, ebe Nnupụisi Ukwu nke Peter Delyan
(1040<unk>41) na Nnupụisi nke Georgi Voiteh (1072) weere ọnọdụ. Ọ bụ ndị ọchịchị Byzantium mere ka o siere ha ike ịkwụsị ha abụọ. Ọgba aghara ndị a sochiri na Paristrion na Thrace. N'oge mweghachi nke Comnenian na nkwụsi ike nke Alaeze Ukwu Byzantine na ọkara nke mbụ nke narị afọ nke 12, ndị Bulgaria nọ na-eme udo ma ọ nweghị nnukwu nnupụisi ruo mgbe narị afọ gara aga.