 Nyora kupfuurira kweiyi ndima - Munguva isati yasvika 1204, iyo chete yakakosha inokwikwidza Imperial chikumbiro kuMabvazuva yakaonekwa muna 913, apo Simeon I Mukuru, mutongi weBulgaria, akapfekedzwa korona Mambo uye Autocrat wevaBulgaria vese nevaRoma Car i samodǎržec na vsički bǎlgari i gǎrci mumutauro wemazuva ano naPatriarch weConstantinople uye mutongi weumambo Nicholas Mystikos kunze kweguta guru reByzantine. Makumi emakore 914927 ipapo akapedzerwa muhondo inoparadza yeByzantineBulgarianpamusoro pechinodikanwa cheUmambo nedzimwe nhau dzokukakavadzana. Mambo weBulgaria akazozivikanwa sa Mambo wevaBulgaria basileus tōn Boulgarōn naMambo weByzantine Romanos I Lakapenos muna 924, zvichitevera chibvumirano chakagamuchirwawo neCarolingian Empire kuti basileus shoko rechiGiriki rinogona kushandurwa kuti mambo kana mambo zvichienderana nemamiriro ezvinhu raive risiri zita rakaenzana nereMambo chero bedzi risina kupa pachena masimba pamusoro pe vaRoma. Kuzivikanwa kweConstantinople kwechiremera chebasileus chamambo weBulgaria uye chiremera chemutungamiriri wemhuri yeBulgaria chakasimbiswa zvakare pakupera kwerunyararo rusingaperi uye muchato weBulgaria-Byzantine wedzinza muna 927. Zita rechiBulgaria rokuti tsar Caesar rakagamuchirwa nemadzimambo ose eBulgaria kusvikira Bulgaria yadonha pasi pokutonga kweOttoman. 