POPE
Pope Saint Leo IV
Pope, Bishop of Rome
Pope Saint Leo IV, who reigned as Roman Pontiff from 847–855.
background
Pope who fortified Rome against Saracen raids by building the Leonine Wall around the Vatican, encircling Saint Peter's Basilica.
summary
Pope Saint Leo IV, who reigned as Roman Pontiff from 847–855.
papacy Start
847
papacy End
855
birth Name
Leo

