 Kutevera kukunda kwakasimba kweBulgaria pamusoro pevaByzantine paAcheloos pedyo neguta razvino rePomorie neKatasyrtai pedyo neConstantinople, hurumende yakazivisa kuzvitonga kweArchbishopric yeBulgaria seye autocephalous ndokuikwidziridza kuchinzvimbo chePatriarchate pamusangano wechechi uye wenyika wakaitwa muna 919. Pashure pokunge Bulgaria noUmambo hweByzantium zvasaina chibvumirano chorugare muna 927 icho chakagumisa hondo yemakore 20pakati pavo, Patriarchate yeConstantinople yakaziva chinzvimbo che autocephalous cheChechi yeOrthodox yeBulgaria uye yakaziva chiremerera chayo chemutungamiriri. 