<prompt> Pedzisa mutsara unotevera: Sezvo Umambo hweByzantium hwakaderera pasi pevatevedzeri vaBasil, kupindirwa kwePechenegs nemitero inokwira kwakabatsira kuwedzera kusagutsikana, izvo zvakaguma nekumukira kukuru kwakati muna 104041, 1070s, uye 1080s. Musimboti wokutanga wokuramba wakanga uri musoro weBulgaria, mune yava kunzi Makedhonia, uko kupararira kukuru kwechiuto chechiNazi kwakaitika.  <response>: Kumuka kwaPeter Delyan 104041 uye Kumuka kwaGeorgi Voiteh 1072 kwakaitika. Zvose zviri zviviri zvakadzvinyirirwa zvakaoma zvikuru nezviremera zveByzantium. Izvi zvakateverwa nokupandukira muParistrion neThrace. Munguva yekudzorerwa kweComnenian uye kugadzikana kwenguva pfupi kweByzantine Humambo muhafu yekutanga yezana ramakore rechi12, vaBulgaria vakadzikama uye hapana kumukira kukuru kwakaitika kusvika gare gare muzana ramakore. 