1555

  Pope Marcellus II elected.   Catholic Reformation
  Pope Paul IV elected.   Catholic Reformation
  Nicholas Ridley and Hugh Latimer burned at the stake.   English Reformation
  Peter Canisius publishes his first catechism written for priests and adults. Canisius
Catholic Reformation
  Paola Antonia Negri dies.   Catholic Reformation
  Pope Julius III dies.   Catholic Reformation