Subcategories - Theology, Theologians
- Jesus
- Joachim of Fiore
- Joachim Wach
- John Biddle
- John Calvin
- John Colet
- John Cotton
- John Duns Scotus
- John Eliot
- John Henry Newman
- John of Damascus
- John Pecham
- John the Apostle
- John Wesley
- John Wycliffe Is Condemned for Attacking Church Authority
- Jonathan Edwards
- Karl Barth
- Lancelot Andrewes
- Laozi
- Leo Baeck
- Luther Posts His Ninety-five Theses
- Manichaeanism Begins in Mesopotamia
- Marin Mersenne
- Martin Luther
- Martyrdom of Jan Hus
- Masao Abe
- Menno Simons
- Michael Psellus
- Moses
- Moses de León
- Muhammad
- Nānak
- Nathan Söderblom
- Nestorian Controversy
- Nicholas of Autrecourt
- Nicholas of Cusa
- Nicholas Ridley
- Nicholas V
- Oberlin College Is Established
- Origen
- Paul Tillich
- Paul Writes His Letter to the Romans
- Peter Abelard
- Philipp Melanchthon
- Philippe de Mornay
- Philo of Alexandria
- Pope John Paul II Issues an Environmental Message
- Preaching of the Pentecostal Gospel
- Priscillian
- Proclus
