Portrait by Bartolomeo Passarotti (c. 1586, Friedenstein Palace, Gotha)
Church
Catholic Church
Papacy began
13 May 1572
Papacy ended
10 April 1585
Predecessor
Pius V
Successor
Sixtus V
Orders
Ordination
31 July 1558 by Girolamo Maccabei
Consecration
6 August 1558 by Girolamo Maccabei
Created cardinal
12 March 1565 by Pius IV
Personal details
Born
Ugo Boncompagni
7 January 1502
Bologna, Papal States
Died
10 April 1585 (aged 83) Rome, Papal States
Previous post(s)
Bishop of Vieste (1558–1560)
Legate to Spain (1565)
Prefect of the Apostolic Signatura (1565)
Cardinal-Priest of San Sisto Vecchio (1565–1572)
Alma mater
University of Bologna
Motto
Aperuit et clausit ("Opened and closed")
Signature
Coat of arms
Other popes named Gregory
Papal styles of Pope Gregory XIII
Reference style
His Holiness
Spoken style
Your Holiness
Religious style
Holy Father
Posthumous style
None
Pope Gregory XIII (Latin: Gregorius XIII; Italian: Gregorio XIII; 7 January 1502 – 10 April 1585),[a] 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.
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PopeGregoryXIII (Latin: Gregorius XIII; Italian: Gregorio XIII; 7 January 1502 – 10 April 1585), born Ugo Boncompagni, was head of the Catholic Church...
PopeGregory XII (Latin: Gregorius XII; Italian: Gregorio XII; c. 1327 – 18 October 1417), born Angelo Corraro, Corario, or Correr, was head of the Catholic...
News Archive. "The Jubilee of Pope Leo XIII". The Tablet. 69 (2455): 859. 28 May 1887. Retrieved 4 September 2017. "Leo XIII and Peter's Pence" (PDF). The...
PopeGregory XIV (Latin: Gregorius XIV; Italian: Gregorio XIV; 11 February 1535 – 16 October 1591), born Niccolò Sfondrato or Sfondrati, was head of the...
PopeGregory VII (Latin: Gregorius VII; c. 1015 – 25 May 1085), born Hildebrand of Sovana (Italian: Ildebrando di Soana), was head of the Catholic Church...
elevated to cardinalate in 1583 by PopeGregoryXIII. Upon the death of Pope Sixtus V, Castagna was elected as pope on 15 September 1590, taking the name...
The gallery was commissioned in 1580 by PopeGregoryXIII as part of other artistic works commissioned by the Pope to decorate the Vatican. It took Danti...
opposed PopeGregory XII whom the Catholic Church recognizes as the rightful successor of Saint Peter. He was also an opponent of Antipope Benedict XIII, who...
Pope Benedict XIII (Latin: Benedictus XIII; Italian: Benedetto XIII; 2 February 1649 – 21 February 1730), born Pietro Francesco Orsini and later called...
October 1582 following the papal bull Inter gravissimas issued by PopeGregoryXIII, which introduced it as a modification of, and replacement for, the...
V, Pope John XXII, Pope Benedict XII, Pope Clement VI, Pope Innocent VI, Pope Urban V, and PopeGregory XI) 6 from Germany (PopeGregory V, Pope Clement...
Jerusalem in 1572. He occupied that post until he was made a cardinal. PopeGregoryXIII made him a cardinal on 12 December 1583 as the Cardinal-Priest of...
1423), known as el Papa Luna in Spanish and Pope Luna in English, was an Aragonese nobleman who, as Benedict XIII, is considered an antipope (see Western...
Pope Innocent XIII (Latin: Innocentius XIII; Italian: Innocenzo XIII; 13 May 1655 – 7 March 1724), born as Michelangelo dei Conti, was head of the Catholic...
endorsement from PopeGregoryXIII, and three apostolic visits from Popes Paul VI, John Paul II and Francis. On April 27, 1981, Pope John Paul II raised...
named for PopeGregoryXIII: Gregorian calendar, internationally the most widely used civil calendar. It is named after PopeGregoryXIII, who introduced...
where he is personally welcomed by William the Silent. February 24 – PopeGregoryXIII proclaims the Gregorian Calendar, to come into effect in October....
canons regular, and is venerated as a saint. Norbert was canonized by PopeGregoryXIII in the year 1582, and his statue appears above the Piazza colonnade...
papal legation to Spain headed by Cardinal Ugo Boncampagni (later PopeGregoryXIII) which was sent to investigate a charge of heresy levelled against...
Gregorian calendar. Although that calendar was first declared by PopeGregoryXIII to be used in Catholic countries in 1582, it has since been adopted...
calendar was decreed in 1582 by the papal bull Inter gravissimas by PopeGregoryXIII, to correct an error in the Julian calendar that was causing erroneous...
group of Dutch Calvinists in 1645. They were canonized on 15 October 2017 by Pope Francis. Those that were killed on 16 July 1645 were: André de Soveral (b...
knighthood recognized by papal bull, in this case by PopeGregoryXIII. In that bull, PopeGregoryXIII bestowed upon Emmanuel Philibert, Duke of Savoy and...
gradually with respect to the astronomical seasons. To remedy this, PopeGregoryXIII introduced in 1582 a slightly modified version of the Julian calendar...
depicting Azuchi Castle and its nearby town. Oda Nobunaga gifted them to PopeGregoryXIII, who displayed them in the Vatican collections, where they were admired...
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