Aeterni Patris may refer to:
Aeterni Patris Filius, also called Aeterni Patris, was a bull issued by Pope Gregory XV on 15 November 1621 that regulated papal conclaves. Together with the bull Decet Romanum pontificem of 1622, it formed the canonical basis for papal elections until the 20th century. The bull brought about many reforms to the papal election system, created structured rules, and sought to decrease the influence of organized factions within the College of Cardinals during the conclave as well as decrease the influence of secular monarchs on papal elections. It established general rules for the conclave process, while the later bull Decet Romanum pontificem addressed the ceremonial aspects of papal elections.
The First Vatican Council was convoked by Pope Pius IX on 29 June 1868, after a period of planning and preparation that began on 6 December 1864. This, the twentieth ecumenical council of the Catholic Church, held three centuries after the Council of Trent, opened on 8 December 1869 and adjourned on 20 October 1870. Unlike the five earlier general councils held in Rome, which met in the Lateran Basilica and are known as Lateran councils, it met in the Vatican Basilica, hence its name. Its best-known decision is its definition of papal infallibility.
Pope Leo XIII was head of the Catholic Church from 20 February 1878 to his death. He was the oldest pope, and had the third-longest confirmed pontificate, behind that of Pius IX and John Paul II.
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Pope Gregory XV, born Alessandro Ludovisi, was Pope from 9 February 1621 to his death in 1623.
A papal bull is a type of public decree, letters patent, or charter issued by a pope of the Roman Catholic Church. It is named after the leaden seal (bulla) that was traditionally appended to the end in order to authenticate it.
A papal conclave is a meeting of the College of Cardinals convened to elect a Bishop of Rome, also known as the pope. The pope is considered by Roman Catholics to be the apostolic successor of Saint Peter and earthly head of the Roman Catholic Church.
The papal bull Aeterni regis [English: "Eternal king's"] was issued on 21 June 1481 by Pope Sixtus IV. It confirmed the substance of the Treaty of Alcáçovas, reiterating that treaty's confirmation of Castile in its possession of the Canary Islands and its granting to Portugal all further territorial acquisitions made by Christian powers in Africa and eastward to the Indies.
Inter caetera was a papal bull issued by Pope Alexander VI on the fourth of May 1493, which granted to the Catholic Majesties of Ferdinand and Isabella all lands to the "west and south" of a pole-to-pole line 100 leagues west and south of any of the islands of the Azores or the Cape Verde islands.
Acclamation was formerly one of the methods of papal election.
Jus exclusivae was the right claimed by several Catholic monarchs of Europe to veto a candidate for the papacy. The French monarch, the Spanish monarch, the Holy Roman Emperor, and the Emperor of Austria claimed this right at various times, making known to a papal conclave, through a crown-cardinal, that the monarch deemed a particular candidate for the papacy objectionable.
Ecclesiastical letters are publications or announcements of the organs of Roman Catholic ecclesiastical authority, e.g. the synods, but more particularly of pope and bishops, addressed to the faithful in the form of letters.
Immensa Aeterni Dei is an apostolic constitution in the form of a papal bull issued by Pope Sixtus V on 22 January 1588. The constitution reorganized the Roman Curia, establishing permanent congregations of cardinals to advise the pope on various subjects. The primary role of the document was to provide instruction in condemning or correcting literature which were against Catholic doctrine. The document also had the authority to give permission for selected individuals to read books which were forbidden. It has since been superseded, most recently by Pope John Paul II's constitution Pastor Bonus.
Giuseppe Pecci was a Jesuit Thomist theologian whose younger brother, Vincenzo, became Pope Leo XIII and appointed him a cardinal. The Neo-Thomist revival, which Leo XIII and his brother Giuseppe, Cardinal Pecci originated in 1879, remained the leading papal philosophy until Vatican II.
The papal conclave of 1621 was convened on the death of Pope Paul V and ended with the election of Alessandro Ludovisi as Pope Gregory XV. It was the shortest conclave in the seventeenth century.
The papal conclave of 1623 was convened on the death of Pope Gregory XV and ended with the election of Maffeo Barberini as Pope Urban VIII. It was the first conclave to take place after the reforms that Gregory XV issued in his 1621 bull Aeterni Patris Filius.
The papal conclave of 1689 was convened after the death of Pope Innocent XI. It led to the election of Pietro Vito Ottoboni as Pope Alexander VIII. The conclave saw previous factions join together because they lacked numerical strength, and saw the rise of the zelanti as a political force in the election of the next pope. Ottoboni was eventually unanimously elected with the consent of the secular monarchs, becoming the first Venetian in over 200 years to be elected pope.
Dudum siquidem is a papal bull issued by Pope Alexander VI on 26 September 1493, one of the Bulls of Donation addressed to the Catholic Monarchs Isabella I of Castile and Ferdinand II of Aragon which supplemented the bull Inter caetera and purported to grant to them "all islands and mainlands whatsoever, found and to be found, discovered and to be discovered, that are or may be or may seem to be in the route of navigation or travel towards the west or south, whether they be in western parts, or in the regions of the south and east and of India".
Cum sæpe accidere was a papal bull issued by Pope Clement VIII on 28 February 1592, which decreed that the Jews of Avignon were forbidden to trade "new commodities" in public places.
The Sacred Congregation of the Consulta or Sacra Consulta was a dicastery of the Roman Curia. It was set up as a 'special commission' by pope Paul IV in 1559 and officialised on 22 January 1588 by Pope Sixtus V in the papal bull Immensa Aeterni Dei. Sixtus named it the 'Congregation over the consultations of the ecclesiastical state' and established its composition of four cardinals, the Secretary of State as prefect and a suitable number of prelates, one of whom would act as secretary.
The Holy Congregation of the Vatican Press was an organ of the Roman Curia.