Photius now obtained the formal recognition of the Christian world in a council convened at Constantinople in November 879. The legates of Pope [[John VIII of Rome|John VIII]] attended, prepared to acknowledge Photius as legitimate patriarch, a concession for which the pope was much censured by Latin opinion. The patriarch stood firm on the main points contested between the
eastern and western Churches, the demanded apology to the pope, the ecclesiastical jurisdiction over [[Bulgaria]], and the introduction of the ''[[filioque]]'' clause into the [[Nicene-Constantinopolitan Creed|creed]]. Eventually Photius refused to apologize or accept the ''filioque'', and the papal legates made do with his return of Bulgaria to Rome. This concession, however, was purely nominal, as Bulgaria's return to the [[Byzantine Rite]] in 870 had already made it an [[autocephalous]] church. Without the consent of Boris I of Bulgaria, the papacy was unable to enforce its claims.
During the altercations between Basil I and his heir Leo VI, Photius took the side of the emperor. Consequently, when Basil died in 886 and Leo became senior emperor, Photius was dismissed and banished, although he had been Leo's tutor. Photius was sent into exile to the [[monastery]] of Bordi in [[Armenia]]. From this time Photius disappears from history. No letters of this period of his life are extant. The precise date of his death is not known, but it is said to have occurred on [[February 6]], 893.