Subcategories - Catholic Church, Catholics
- Mary I
- Matteo Ricci Travels to Peking as Jesuit Missionary
- Meister Eckhart
- Menno Simons
- Mother Teresa
- Murder of Thomas à Becket
- Nestorian Controversy
- Nicholas of Cusa
- Nicholas the Great
- Nicholas V
- Northern Ireland Civil War
- Order of the Knights Templar Is Founded
- The Papal Inquisition
- Paul III
- Paul VI
- Peace of Westphalia
- Peter Abelard
- Peter Paul Rubens
- Pierre Teilhard de Chardin
- 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 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
- Priscillian
- Quebec Act
- Rabanus Maurus
- Ratramnus
- Raymond of Peñafort
- Reforms of Pope Gregory the Great
- Religion and War
- Richard Baxter
- Saint Albertus Magnus
- Saint Anselm
- Saint Anthony of Padua
- Saint Augustine
- Saint Bede the Venerable
- Saint Benedict of Nursia
- Saint Bernard of Clairvaux
- Saint Bonaventure
- Saint Boniface
- Saint Catherine of Siena
- Saint Cyril and Saint Methodius
- Saint Denis
