 Nyora kupfuurira kweiyi ndima - Muna 917 muchinda weSerbia Petar Gojniković, uyo akanga ari mubatsiri weMambo weBulgaria akachinja pachena mativi uye akatsigira vaByzantine. Ngozi iyi kubva kumashure yakaita basa rakakosha mukunonoka kwekufambira mberi kuenda kuConstantinople mushure mekukunda kunoshamisa paAnchialus. Mumatsutso egore iroro Simeoni akatumira uto rokurwisa vaSerbia, rakatungamirirwa naTheodore Sigritsa naMarmais. Vakanyengetedza Petar Gojniković kuti vasangane navo, vakamutora ndokumutumira kuPreslav. Vakagadza hama yaPeter Pavle Branović kuti ave mutongi anotevera weSerbia, asi makore matatu gare gare Pavle akatengesawo mubatanidzwa wake neBulgaria. Marmais akamutsiva naZaharije Pribisavljević asi akatangawo mabasa ehondo neBulgaria muna 924. Marmais naSigritsa vakatungamirira uto duku kurwisa Zaharije asi vakadzingirirwa uye vakakundwa, uye misoro yavo yakazotumirwa kuvaByzantine. 