KnowraPope Leo IXLinked fromLinked fromThe 6 pages that link to Pope Leo IX, each with the reason it gives.All 6Broader topic 1Related 5Gregorian ReformRelated: His pontificate launched a more active papal campaign against clerical abuses.Pope Gregory VIIRelated: His pontificate helped establish the reforming papal leadership Gregory inherited.Battle of CivitateRelated: Leo IX assembled the army that confronted the Normans at Civitate.Peter DamianRelated: Damian supported Leo IX’s reform program and took part in its wider efforts.Michael I CerulariusRelated: His authority underpinned the legation that confronted Cerularius, though Leo had died before the excommunication was issued.