Gregory the Great

(died A.D. 12 Mar 604) Gregory I(died A.D. 12 Mar 604) Gregory I became pope in 590 and earned the designation “great” due to his insistence of the authority of the papacy and th... more became popeThe Roman Catholic bishop of Rome who is regarded as the successor of the chief apostle, Peter, and as the Vicar of Christ is the holder of the Aposto... more in 590 and earned the designation “great” due to his insistence of the authority of the papacyThe office of pope in the Roman Catholic Church which is the highest office in its hierarchical structure. more and the great missionary effort to the British Isles and northern Europe that initiated during his administration. (Also known as Gregory I(died A.D. 12 Mar 604) Gregory I became pope in 590 and earned the designation “great” due to his insistence of the authority of the papacy and th... more.)