Portal:Catholic Church/Selected anniversaries/May 6
- 1501 - Birth of Pope Marcellus II.
- 1527 - Spanish and German troops sack Rome; some consider this the end of the Renaissance. 147 Swiss Guards, including their commander, died fighting the forces of Charles V during the Sack of Rome in order to allow Pope Clement VII to escape into Castel Sant'Angelo.
- 1574 - Birth of Pope Innocent X.
- 1638 - Cornelius Jansen, French bishop and religious reformer (b. 1585)
- 1708 - François de Laval, first bishop of New France (b. 1623)
- 1962 - St. Martín de Porres (pictured) becomes canonized by Pope John XXIII.
- 2001 - During a trip to Syria, Pope John Paul II becomes the first pope to enter a mosque.