Great Schism of 1378–1417

Great Schism of 1378–1417
Name	Great Schism of 1378–1417
Date	1378–1417
Location	Avignon, Rome, Council of Pisa (1409), Council of Constance
Result	Deposition of claimants; election of Pope Martin V; conciliar reforms

Great Schism of 1378–1417 The Great Schism of 1378–1417 was a split within the Catholic Church that produced rival papal claimants and prolonged institutional division across Western Europe, involving competing courts in Rome, Avignon, and later Pisa. It drew in monarchs such as Charles V of France, Richard II of England, and Ferdinand I of Aragon, engaged ecclesiastical leaders like Urban VI, Clement VII (Antipope), and Gregory XII, and culminated in conciliar intervention at the Council of Constance that elected Pope Martin V. The crisis reshaped relations among the Papacy, Holy Roman Empire, Kingdom of France, and regional polities such as Castile, Aragon, and the Kingdom of Naples.

Background and Causes

The rupture followed the end of the Avignon Papacy and the return of the Curia to Rome under Pope Gregory XI, whose death in 1378 set the stage for contested succession involving factions of cardinals, Roman civic leaders, and French courtiers allied with Charles V of France and the House of Valois. Tensions drew on longstanding disputes over papal residence between Avignon Papacy supporters and Roman partisans influenced by families such as the Colonna family and the Orsini family, and reflected broader conflicts among polities including the Kingdom of France, the Kingdom of England, and the Crown of Aragon over ecclesiastical appointments and fiscal claims. Intellectual currents represented by figures like William of Ockham and debates emanating from universities such as the University of Paris and the University of Oxford informed legal and constitutional arguments about papal authority and conciliarism during the crisis.

Papal Claimants and Major Figures

The contested elections produced a sequence of rival pontiffs: Urban VI was elected in Rome in 1378, while dissenting cardinals soon proclaimed Clement VII (Antipope) at Avignon. Subsequent claimants included Boniface IX, Benedict XIII (Antipope), Pope Innocent VII, and later elected rivals at Pisa such as Alexander V and John XXIII (antipope), culminating in the claims of Gregory XII in Rome and Benedict XIII in Avignon until the Council of Constance removed or secured resignations from these figures and recognized Martin V. Secular rulers—Philip IV of France's legacy, Charles VI of France, Richard II of England, Sigismund, Holy Roman Emperor, and Ferdinand I of Aragon—played decisive roles in supporting claimants, while jurists like Marsilius of Padua influenced arguments about conciliar authority that opponents and supporters invoked.

Political and Diplomatic Developments

The schism became a diplomatic chessboard in which the Hundred Years' War powers, the Papal States, and regional dynasties negotiated recognitions, alliances, and ecclesiastical benefices. The Kingdom of France and allied Iberian courts often backed the Avignon claimant, while the Kingdom of England and parts of the Holy Roman Empire upheld the Roman pontiff, provoking competition over legations, revenues, and ecclesiastical law interpreted by institutions such as the Roman Rota. Diplomatic interventions included truce negotiations after battles like Nicopolis (1396) affecting troop commitments, and missions by envoys from Venice, Florence, and the Swiss Confederacy who sought to protect commercial and civic interests tied to papal recognition. The role of Sigismund, Holy Roman Emperor later proved pivotal in convening the Council of Constance to resolve rival claims through deposal, abdication, or negotiation.

Church Councils and Attempts at Resolution

Multiple councils and synods attempted to heal the rupture. The Council of Pisa (1409) was convened by cardinals opposed to both Roman and Avignon claimants and elected Alexander V and then John XXIII (antipope), inadvertently creating a threefold schism. The conciliar movement, drawing on precedents such as the Council of Constance's later imperial mandate and scholarly support from universities like Paris and Padua, argued for superiority of ecumenical councils over papal prerogative. The ultimate settlement occurred at the Council of Constance (1414–1418), where representatives of the Holy Roman Empire, the Kingdom of England, the Kingdom of France, and other polities, together with ecclesiastics and legal experts, secured the resignation or deposition of rival claimants and elected Pope Martin V to restore singular papal governance.

Religious, Cultural, and Theological Impact

The division provoked theological disputes about authority exemplified by conciliarists like Jean Gerson and defenders of papal supremacy such as Giles of Rome's legacy, stimulating debates at the University of Paris that influenced later reform movements including voices in Bohemia and followers of Jan Hus. The schism undermined clerical credibility, encouraged vernacular criticism exemplified in writings by Geoffrey Chaucer and polemical tracts circulating in Florence and Prague, and affected devotional practices in dioceses from Lisbon to Milan. Patronage and artistic commissions in courts and monasteries shifted as recognition of claimants determined funding, impacting works associated with patrons like the Medici family and architectures in Avignon and Rome.

Resolution and Aftermath

The resolution at Constance reasserted centralized papal authority under Martin V while legitimating conciliar procedures that later parliaments and prelates referenced in reforms under Pope Pius II and Pope Eugene IV. The schism’s political realignments reshaped Franco-Italian relations and influenced the Renaissance by altering patronage networks and legal norms in ecclesiastical courts. Residual claims persisted with figures such as Benedict XIII (Antipope) until enforced marginalization, while doctrinal and institutional reforms catalyzed movements that led to the Reformation. The crisis left a legacy in canon law, diplomatic practice, and European statecraft that informed subsequent interactions among the Papacy, dynasties like the Habsburgs, and emergent national churches.

14th century