 Nyora kupfuurira kweiyi ndima - Munguva yemakore marefu ehondo pasi paCzar Simeon I Mukuru 893927, nyika yakanga yaneta. Hondo dzisingaperi dzaisafarirwa zvokuti vanhu 20 000 vakatsvaka utiziro muByzantium nemhaka yekukurumidza kurwa kwaSimeoni uye vavariro dzake dzisingachinji. Mutsivi wake Peter I akapedzisa chibvumirano chorugare chakaisvonaka navaByzantine, asi mugariro mukati menyika hauna kuona kuvandudzika kupi nokupi. Paiva nezvikonzero zvakawanda zvekuderera uku vamwe vanyori venhoroondo vanoti Peter I aiva mutongi asina simba, aisakwanisa kutarisira mhuri yake vanununa vake vaviri vakamumukira. Uyezve, pakati pezana remakore rechi10, dzidziso itsva yeBogomil yakapararira munyika yacho yose. VaBogomils vakaparidza kuti vanhu havafaniri kutevera zviremera zvenyika, kubhadhara mitero kana kuti kunyoresa muchiuto. Somugumisiro, vaBulgaria havana kukwanisa kumisa vaMajor, avo vakapamba uye vakapamba misha, vachibetsera zvikuru kumamiriro ezvinhu akashata ehurumende. Apo vaByzantine vakabhadhara knyaz weRus Svyatoslav I kuti apinde muBulgaria muna 968, Peter I aigona kutumira varume 30 000 bedzi kurwisana neuto rinopinda rine vanhu 60 000. Mukupinda kwevaRusPakati pa968 na971 vaBulgaria de facto vakarasikirwa nekutonga kwezvikamu zvekuchamhembe kwakadziva kumabvazuva kwenyika yavo, kusanganisira guta guru rePreslav, uye muna 970, Svyatoslav akauraya 300 vakuru vakuru veBulgaria, vepamusoro verudzi rweBulgaria neuto, muSilistra. 