Great Schism
Western Schism
Council of Constance
Constance
Henry VIII of England
Henry VIII
Vienne
Byzantine Church
Eastern Church
Pope Urban V
Council of Basel-Ferrara-Florence
Urban V
Guillaume de Grimoard
Augsburg Confession
Catholicism
papacy
Catholicity
Pope Martin V
Martin V
Oddone Colonna
pontificate
schism
delatinization
Pius V
Antonio Ghislieri
Mary I of England
reconciliation
Bloody Mary
Pope Pius V
Lyons
Council of Vienne
Mary Tudor
Mary I
Second Council of Lyons
Old Catholic Church
1370s
Council of Trent
Reformation
Protestant Reformation
Clement XIV
Chartres Cathedral
Pope Clement XIV
Lorenzo Ganganelli
Curia
Congregation of the Sisters of st Catherine the Virgin and Martyr
Gregory
Angelo Correr
1380s
Gregory XII
Pope Gregory XII