Nicholas I, Pope (858–867) and Saint
Maddalena Betti
Nicholas I was pope from 858 to 867. His importance began in his own times because of extended and high view office. principles involved him three important areas: relations with the Carolingians (especially affair Lothar’s divorce); conflict bishops church councils West; battle Archbishop John Ravenna eastern church, especially over questions Photius’s right patriarchate Constantinople attempt bring Bulgaria into Roman orbit.