Subcategories - Popes, Papacy, Cardinals
- Adrian IV
- Alexander III
- Alexander VI
- Boniface VIII
- Boniface VIII Issues the Bull Unam Sanctam
- Cardinal de Richelieu
- Clement I
- Clement VII
- Council of Chalcedon
- Donation of Constantine Is Exposed as Fraudulent
- Elizabeth I Is Excommunicated by Pius V
- Fourth Lateran Council
- Giovanni de’Medici (1475-1521)
- Gregory IX
- Gregory the Great
- Gregory VII
- Holy Roman Empire-Papacy Wars
- Innocent III
- Innocent IV
- John Paul II
- John XXIII
- Julius II
- Leo IX
- Leo X
- Leo XIII
- Nicholas of Cusa
- Nicholas the Great
- Nicholas V
- The Papal Inquisition
- Paul III
- Paul VI
- Pius II
- Pius IX
- Pius V
- Pius XI
- Pius XII
- Pope Apologizes for Catholic Church’s Historical Errors
- Pope John Paul II Forbids Ordination of Women
- Pope John Paul II Issues an Environmental Message
- Pope John Paul II Visits Cuba
- Pope John XXIII Issues “Mater et Magistra” and “Pacem in Terris”
- Pope Paul III Declares Rights of New World Natives
- Pope Urban II Calls the First Crusade
- Reforms of Pope Gregory the Great
- Saint Peter
- Saint Sergius I
- Saint Siricius
- The Second Crusade
- Sylvester II
- Treaty of Tordesillas
