. "Constantinople"@en-us . . "the council in 869 that condemned Photius who had become the patriarch of Constantinople without approval from the Vatican, thereby precipitating the schism between the eastern and western churches"@en-us . . "108314901"^^ . . . "0"^^ . . "Constantinople"^^ . "0"^^ . . "08314901-n"^^ . . . "Fourth Council of Constantinople"@en-us .