Pope Gregory XVI (Latin: Gregorius XVI; Italian: Gregorio XVI; born Bartolomeo Alberto Cappellari; 18 September 1765 – 1 June 1846) was head of the Catholic Church and ruler of the Papal States from 2 February 1831 to his death in 1 June 1846. He had adopted the name Mauro upon entering the religious order of the Camaldolese.. Strongly conservative and traditionalist, …

Pope Gregory XIII (Latin: Gregorius XIII; Italian: Gregorio XIII; 7 January 1502 – 10 April 1585), born Ugo Boncompagni, was head of the Catholic Church and ruler of the Papal States from 13 May 1572 to his death in April 1585. He is best known for commissioning and being the namesake for the Gregorian calendar, which remains the internationally accepted civil calendar to this day.

Pope Gregory VII (Latin: Gregorius VII; c. 1015 – 25 May 1085), born Hildebrand of Sovana (Italian: Ildebrando di Soana), was head of the Catholic Church and ruler of the Papal States from 22 April 1073 to his death in 1085. He is venerated as a saint in the Catholic Church.. One of the great reforming popes, he is perhaps best known for the part he played in the Investiture …

Pope Gregory IX (Latin: Gregorius IX; born Ugolino di Conti; c. 1145 or before 1170 – 22 August 1241) was head of the Catholic Church and ruler of the Papal States from 19 March 1227 until his death in 1241. He is known for issuing the Decretales and instituting the Papal Inquisition, in response to the failures of the episcopal inquisitions established during the time of Pope …

Pope John I (Latin: Ioannes I; died 18 May 526) was the bishop of Rome from 13 August 523 to his death. He was a native of Siena (or the "Castello di Serena", near Chiusdino), in Italy.He was sent on a diplomatic mission to Constantinople by the Ostrogoth King Theoderic to negotiate better treatment for Arians. Although John was relatively successful, upon his return to …

Pope Pius VI (Italian: Pio VI; born Count Giovanni Angelo Braschi, 25 December 1717 – 29 August 1799) ... King Louis XVI of France was executed via guillotine on 21 January 1793, and his daughter Marie Thérèse petitioned Rome for the canonization of her father. Pius VI hailed the late king as a martyr on 17 June 1793 in a meeting with ...

Pope Leo XIII (Italian: Leone XIII; born Vincenzo Gioacchino Raffaele Luigi Pecci; 2 March 1810 – 20 July 1903) was the head of the Catholic Church from 20 February 1878 to his death in July 1903. Living until the age of 93, he was the second-oldest-serving pope, and the third-longest-lived pope in history, before Pope Benedict XVI as Pope emeritus, and had the fourth-longest …

Pope Pius V (Italian: Pio V; 17 January 1504 – 1 May 1572), born Antonio Ghislieri (from 1518 called Michele Ghislieri, O.P.), was head of the Catholic Church and ruler of the Papal States from 8 January 1566 to his death in May 1572. He is venerated as a saint of the Catholic Church. He is chiefly notable for his role in the Council of Trent, the Counter-Reformation, and the …

Pope Sylvester I (also Silvester, 285 – 31 December 335) was the bishop of Rome from 31 January 314 until his death. He filled the see of Rome at an important era in the history of the Western Church, yet very little is known of him. The accounts of his pontificate preserved in the seventh- or eighth-century Liber Pontificalis contain little more than a record of the gifts said to …

Pope Innocent II (Latin: Innocentius II; died 24 September 1143), born Gregorio Papareschi, was head of the Catholic Church and ruler of the Papal States from 14 February 1130 to his death in 1143. His election as pope was controversial and the first eight years of his reign were marked by a struggle for recognition against the supporters of ...