Papal deposing power

Papal primacy, supremacy and infallibility
Overview Primacy of Peter & Papal primacy Papal supremacy Papal infallibility First Vatican Council § Papal infallibility
Patriarchs compared to popes Papal primacy Episcopal see § Catholic Church Apiarius of Sicca § Appeal to the bishop of Rome Pentarchy § After the East–West Schism Pope John XIX § Life Gregory II Youssef § First Vatican Council Ravenna Document Eastern Orthodox opposition to papal supremacy
Ecumenical councils compared to popes Conciliarity Conciliarism § Modern conciliarism Ecumenical council § Acceptance of the councils To the Christian Nobility of the German Nation § The Third Wall: Authority to Call a Council Ultrajectines
Catholic episcopal councils compared to popes Febronianism Christus Dominus § Controversy The Ratzinger Report
Political rulers compared to popes Gallicanism Patronato real Josephinism Febronianism Cisalpinism Appointment of Catholic bishops § Centralization of papal power Concordat § List Papal deposing power
Existing dogma compared to popes Development of doctrine Cum ex apostolatus officio Pascendi Dominici gregis
Objections and controversy Ecclesiastical differences between the Catholic Church and the Eastern Orthodox Church § Papal authority Ignaz von Döllinger § Papal authority Ultramontanism § Position of other apostolic churches Papal infallibility § Objections Old Catholic Church § First Vatican Council, Old Catholic Union of Utrecht Sedevacantism Josip Juraj Strossmayer § Catholic diplomacy Ultrajectine
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The papal deposing power was the most powerful tool of the political authority claimed by and on behalf of the Roman Pontiff, in medieval and early modern thought, amounting to the assertion of the Pope's power to declare a Christian monarch heretical and powerless to rule.

Pope Gregory VII's Dictatus Papae (c. 1075) claimed for the Pope "that it may be permitted to him to depose emperors" (12) and asserted the papal power to "absolve subjects from their fealty to wicked men" (27).

Oaths of allegiance held together the feudal political structure of medieval Europe. The principle behind deposition was that the Pope, as the ultimate representative of God from whom all oaths draw their force, could in extreme circumstances absolve a ruler's subjects of their allegiance, thereby rendering the ruler powerless. In a medieval Europe in which all confessed the Pope as head of the visible Church, it gave concrete embodiment to the superiority of the spiritual power over the temporal—the other side, so to speak, of the role of Popes and bishops in anointing and crowning emperors and kings.