Pope Leo III

Pope Leo III was the leader of the Roman Catholic Church from 795 to 816. He is best known for crowning Charlemagne, the King of the Franks, as Emperor of the Romans in 800, which marked the revival of the Western Roman Empire and reinforced the church's influence in European politics. Leo's papacy was also significant for its defense against political rivals and for promoting religious reforms. His actions helped lay the groundwork for the relationship between the church and European monarchies, shaping the future of medieval Europe and its governance.