 Nyorai kuenderera mberi kweiyi ndima - Muna 1458, akagadzwa semutungamiriri wedunhu reKiev richangobva kuumbwa nemutungamiriri wechiLatin Patriarch Gregory Mammas weConstantinople pachibvumirano chaPapa Pius II. Kusarudzwa kwaGregory kwakatsigirwawo nemabhishopu mazhinji edhipatimendi reChechi yeOld Russian yepakutanga pakati pavo paive nemabhishopu ePremysl, Chelm, Halych, Turow, Volodymyr, Lutsk, Polotsk, neSmolensk, nepo vachipesana vaive mabhishopu makuru maviri muMoscow neChernihiv. Vanenge mamwe mabhishopi maviri edhipatimendi reGreat Novgorod neTver vakasarudza kusavhota pakusarudza rutivi rumwe norumwe. Muna 1469 Patriarch weEcumenical weConstantinople Dionysius I akapawo zvikomborero zvake achibvumidza kugadzwa kwaGregory, nokudaro Gregory muna 1470 akadzoka kubva mubatanidzwa. 