 At the Fourth Council of Constantinople (869), the Roman legates asserted the place of the bishop of Rome's honor over the bishop of Constantinople's.After the Great Schism of 1054, in 1215 the Fourth Lateran Council declared, in its fifth canon, that the Roman Church "by the will of God holds over all others pre-eminence of ordinary power as the mother and mistress of all the faithful".Roman supremacy over the whole world was formally claimed by the new Latin patriarch.