Pope Pius IV (Italian: Pio IV; 31 March 1499 – 9 December 1565), born Giovanni Angelo Medici, was head of the Catholic Church and ruler of the Papal States...

heresy. He also stood firm against nepotism, rebuking his predecessor Pope Pius IV to his face when he wanted to make a 13-year-old member of his family a...

Paul IV 'the Evil' to Pius IV 'the Merciful'". in Living under the Evil Pope (Brill, 2019). 160–204. Mathews, Shailer. "The Social Teaching of Paul. IV. The...

1847, by Pope Pius IX with the decree Romanis Pontificibus, placing it as the continuation of the ancient order established by Pope Pius IV with the bull...

has begun to build a fountain in the woods". Upon Paul IV's death on 18 August 1559, Pope Pius IV took on the project, which had not yet been completed...

undergone a massive extension, it became a papal residence and in 1564 Pope Pius IV, in order to win the sympathies of the Republic of Venice, of which the...

period. He worked as the Vatican's Papal Architect under Popes Paul IV and Pius IV, designed the fountains at Villa d’Este at Tivoli for Cardinal Ippolito...

Benedictus Deus is a papal bull written by Pius IV in 1564 which ratified all decrees and definitions of the Council of Trent. It maintains that the decrees...

Catholic Church—Pope Leo X (1513–1521), Pope Clement VII (1523–1534), Pope Pius IV (1559–1565) and Pope Leo XI (1605)—and two queens of France—Catherine de'...

brother or nephew of the cardinal elector, until Pope Pius IV (1559–1565) banned this practice. Pius IV issued an apostolic constitution on the subject of...