History of the papacy
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According to
Catholicism The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
, the
pope The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...
is head of the
Catholic Church The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
, spans from the time of
Saint Peter Saint Peter (born Shimon Bar Yonah; 1 BC – AD 64/68), also known as Peter the Apostle, Simon Peter, Simeon, Simon, or Cephas, was one of the Twelve Apostles of Jesus and one of the first leaders of the Jewish Christian#Jerusalem ekklēsia, e ...
to the present day. In the first three centuries of the Christian era, many of Peter's successors as bishops of Rome are obscure figures, most suffering martyrdom along with members of their flock in periods of persecution. During the
Early Church Early Christianity, otherwise called the Early Church or Paleo-Christianity, describes the historical era of the Christian religion up to the First Council of Nicaea in 325. Christianity spread from the Levant, across the Roman Empire, and bey ...
, the bishops of Rome enjoyed no temporal power until the time of Constantine. After the
fall of the Western Roman Empire The fall of the Western Roman Empire, also called the fall of the Roman Empire or the fall of Rome, was the loss of central political control in the Western Roman Empire, a process in which the Empire failed to enforce its rule, and its vast ...
about 476, the
medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...
papacy was influenced by the temporal rulers of Italy; these periods are known as the Ostrogothic Papacy, Byzantine Papacy, and Frankish Papacy. Over time, the papacy consolidated its territorial claims to a portion of the peninsula known as the
Papal States The Papal States ( ; ; ), officially the State of the Church, were a conglomeration of territories on the Italian peninsula under the direct sovereign rule of the pope from 756 to 1870. They were among the major states of Italy from the 8th c ...
. Thereafter, the role of neighboring sovereigns was replaced by powerful Roman families during the '' saeculum obscurum'', the Crescentii era, and the Tusculan Papacy. From 1048 to 1257, the papacy experienced increasing conflict with the leaders and churches of the
Holy Roman Empire The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
and the
Byzantine Empire The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived History of the Roman Empire, the events that caused the ...
(Eastern Roman Empire). Conflict with the latter culminated in the
East–West Schism The East–West Schism, also known as the Great Schism or the Schism of 1054, is the break of communion (Christian), communion between the Catholic Church and the Eastern Orthodox Church. A series of Eastern Orthodox – Roman Catholic eccle ...
, dividing the Roman and Eastern Churches. From 1257 to 1377, the pope, though the bishop of Rome, resided in
Viterbo Viterbo (; Central Italian, Viterbese: ; ) is a city and ''comune'' (municipality) in the Lazio region of Italy, the Capital city, capital of the province of Viterbo. It conquered and absorbed the neighboring town of Ferento (see Ferentium) in ...
,
Orvieto Orvieto () is a city and ''comune'' in the Province of Terni, southwestern Umbria, Italy, situated on the flat summit of a large butte of volcanic tuff. The city rises dramatically above the almost-vertical faces of tuff cliffs that are compl ...
, and
Perugia Perugia ( , ; ; ) is the capital city of Umbria in central Italy, crossed by the River Tiber. The city is located about north of Rome and southeast of Florence. It covers a high hilltop and part of the valleys around the area. It has 162,467 ...
, and lastly
Avignon Avignon (, , ; or , ; ) is the Prefectures in France, prefecture of the Vaucluse department in the Provence-Alpes-Côte d'Azur region of southeastern France. Located on the left bank of the river Rhône, the Communes of France, commune had a ...
. The return of the popes to Rome after the Avignon Papacy was followed by the
Western Schism The Western Schism, also known as the Papal Schism, the Great Occidental Schism, the Schism of 1378, or the Great Schism (), was a split within the Catholic Church lasting from 20 September 1378 to 11 November 1417, in which bishops residing ...
: the division of the Western Church between two and, for a time, three competing papal claimants. The Renaissance Papacy is known for its artistic and architectural patronage, frequent involvement in European power politics, and opposition against theological challenges to papal authority. After the start of the
Protestant Reformation The Reformation, also known as the Protestant Reformation or the European Reformation, was a time of major theological movement in Western Christianity in 16th-century Europe that posed a religious and political challenge to the papacy and ...
, the Reformation Papacy and Baroque Papacy led the Catholic Church through the
Counter-Reformation The Counter-Reformation (), also sometimes called the Catholic Revival, was the period of Catholic resurgence that was initiated in response to, and as an alternative to or from similar insights as, the Protestant Reformations at the time. It w ...
. The popes during the Age of Revolution witnessed the largest expropriation of wealth in the church's history, during the French Revolution and those that followed throughout Europe. The Roman Question, arising from
Italian unification The unification of Italy ( ), also known as the Risorgimento (; ), was the 19th century political and social movement that in 1861 ended in the annexation of various states of the Italian peninsula and its outlying isles to the Kingdom of ...
, resulted in the loss of the Papal States and the creation of
Vatican City Vatican City, officially the Vatican City State (; ), is a Landlocked country, landlocked sovereign state and city-state; it is enclaved within Rome, the capital city of Italy and Bishop of Rome, seat of the Catholic Church. It became inde ...
.


During the Roman Empire (until 493)


Early Christianity

Roman-Catholics recognize the pope as both the successor to
Peter Peter may refer to: People * List of people named Peter, a list of people and fictional characters with the given name * Peter (given name) ** Saint Peter (died 60s), apostle of Jesus, leader of the early Christian Church * Peter (surname), a su ...
Kirsch, Johann Peter
"St. Peter, Prince of the Apostles."
The Catholic Encyclopedia. Vol. 11. New York: Robert Appleton Company, 1911. 21 Jul. 2014
and the first bishop of Rome. Official declarations of the church speak of the popes as holding within the college of the bishops a position analogous to that held by Peter within the "college" of the Apostles, namely Prince of the Apostles, of which the college of the Bishops, a distinct entity, is viewed to be the successor. Pope Clement I, the earliest of the
Church Fathers The Church Fathers, Early Church Fathers, Christian Fathers, or Fathers of the Church were ancient and influential Christian theologians and writers who established the intellectual and doctrinal foundations of Christianity. The historical peri ...
, is identified with Clement of Philippians 4:3. His letter to the Corinthians is the "first known example of the exercise and acceptance" of the ecclesiastical authority of the papacy. Written while
John the Apostle John the Apostle (; ; ), also known as Saint John the Beloved and, in Eastern Orthodox Christianity, Saint John the Theologian, was one of the Twelve Apostles of Jesus according to the New Testament. Generally listed as the youngest apostle, he ...
was still alive, Clement commanded that the Corinthians maintain unity with each other and bring to an end the schism that had divided the church in that region. This papal letter from Clement was held in such esteem that it was considered by some as part of the New Testament canon, as the Ethiopian Orthodox Church still does. Dionysius, bishop of Corinth, writing to Pope Soter ("as a father to his children") references Pope Clement's letter: Many deny that Peter and those claimed to be his immediate successors had universally-recognized supreme authority over all the early churches, citing instead that the bishop of Rome was, and is, "first among equals" as stated by the patriarch of the Orthodox Church in the 2nd century A.D. and 21st century. However, what form that should take remains a matter of contention between the Catholic and Orthodox Churches, which formed one church for at least the first seven ecumenical councils, and until the formal split over papal primacy and the addition of the Filioque in the Nicene Creed in 1054 AD. Many bishops of Rome in the first three centuries of the Christian era are obscure figures. However, most of Peter's claimed successors in the first three centuries following his life are said to have suffered martyrdom in periods of persecution.


From Constantine (312–493)

The legend surrounding the victory of
Constantine I Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...
in the
Battle of the Milvian Bridge The Battle of the Milvian Bridge took place between the Roman Emperors Constantine the Great, Constantine I and Maxentius on 28 October AD 312. It takes its name from the Milvian Bridge, an important route over the Tiber. Constantine won the batt ...
(312) relates his vision of the
Chi Rho The Chi Rho (☧, English pronunciation ; also known as ''chrismon'') is one of the earliest forms of the Christogram, formed by superimposing the first two (capital) letters—chi (letter), chi and rho (ΧΡ)—of the Greek (Romanization of ...
and the text
in hoc signo vinces "" is a Latin phrase conventionally translated into English as "In this sign thou shalt conquer", often also being translated as "By and/or in this sign, conquer". The Latin phrase itself renders, rather loosely, the Greek phrase "", translit ...
in the sky, and reproducing this symbol on the shields of his troops. The following year, Constantine and
Licinius Valerius Licinianus Licinius (; Ancient Greek, Greek: Λικίνιος; c. 265 – 325) was Roman emperor from 308 to 324. For most of his reign, he was the colleague and rival of Constantine I, with whom he co-authored the Edict of Milan that ...
proclaimed the toleration of the Christian faith with the
Edict of Milan The Edict of Milan (; , ''Diatagma tōn Mediolanōn'') was the February 313 agreement to treat Christians benevolently within the Roman Empire. Frend, W. H. C. (1965). ''The Early Church''. SPCK, p. 137. Western Roman Emperor Constantine I and ...
, and in 325, Constantine convened and presided over the
First Council of Nicaea The First Council of Nicaea ( ; ) was a council of Christian bishops convened in the Bithynian city of Nicaea (now İznik, Turkey) by the Roman Emperor Constantine I. The Council of Nicaea met from May until the end of July 325. This ec ...
, the first
ecumenical council An ecumenical council, also called general council, is a meeting of bishops and other church authorities to consider and rule on questions of Christian doctrine, administration, discipline, and other matters in which those entitled to vote are ...
. This is not related to the
pope The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...
, who did not attend the council; in fact, the first bishop of Rome to be contemporaneously referred to as Pope is Damasus I (366–84).Baumgartner, 2003, p. 6. Moreover, between 324-330, Constantine moved the capital of the Roman empire to Byzantium, a former Greek city on the Bosporus. The power of Rome was transferred to Byzantium which later, in 330 became
Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...
and today is
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
. The " Donation of Constantine", an 8th-century forgery used to enhance the prestige and authority of popes, places the pope more centrally in the narrative of Constantinian Christianity. The legend of the Donation claims that Constantine offered his crown to Sylvester I (314–35), and even that Sylvester baptized Constantine. In reality, Constantine was baptized (nearing his death in May 337) by Eusebius of Nicomedia, an
Arian Arianism (, ) is a Christological doctrine which rejects the traditional notion of the Trinity and considers Jesus to be a creation of God, and therefore distinct from God. It is named after its major proponent, Arius (). It is considered he ...
bishop. Although the "Donation" never occurred, Constantine did hand over the
Lateran Palace The Apostolic Palace of the Lateran (; ), informally the Lateran Palace (), is an ancient palace of the Roman Empire and later the main pope, papal residence in Rome. Located on Saint John's Square in Lateran on the Caelian Hill, the palace is ...
to the bishop of Rome, and around 310 AD began the construction of the ''Basilica of Constantine'' in Germany, called
Aula Palatina __NOTOC__ The Aula Palatina, also called Basilica of Constantine (), at Trier, Germany, is a Roman palace basilica and an early Christian structure built between AD 300 and 310 during the reigns of Constantius Chlorus and Constantine the Great. ...
. Constantine also erected the Old St. Peter's Basilica, or Constantinian Basilica, the location of the current, Renaissance era, St. Peter's Basilica within the Vatican, on the place of St. Peter's burial, as held by the Catholic community of Rome, after his conversion to Catholicism.
Pope Leo I Pope Leo I () ( 391 – 10 November 461), also known as Leo the Great (; ), was Bishop of Rome from 29 September 440 until his death on 10 November 461. He is the first of the three Popes listed in the ''Annuario Pontificio'' with the title "the ...
(440–461), was so influential that he was later named a
Doctor of the Church Doctor of the Church (Latin: ''doctor'' "teacher"), also referred to as Doctor of the Universal Church (Latin: ''Doctor Ecclesiae Universalis''), is a title given by the Catholic Church to saints recognized as having made a significant contribut ...
, a distinction he shares with only one other pope (Gregory I). During his papacy, the term Pope (which previously meant any bishop) came to exclusively mean the Bishop of Rome.


Middle Ages (493–1417)


Ostrogothic Papacy (493–537)

The Ostrogothic Papacy period ran from 493 to 537. The papal election of March 483 was the first to take place without the existence of a Western Roman emperor. The papacy was strongly influenced by the
Ostrogothic Kingdom The Ostrogothic Kingdom, officially the Kingdom of Italy (), was a barbarian kingdom established by the Germanic Ostrogoths that controlled Italian peninsula, Italy and neighbouring areas between 493 and 553. Led by Theodoric the Great, the Ost ...
, though the pope was not outright appointed by the Ostrogothic King. The selection and administration of popes during this period was strongly influenced by
Theodoric the Great Theodoric (or Theoderic) the Great (454 – 30 August 526), also called Theodoric the Amal, was king of the Ostrogoths (475–526), and ruler of the independent Ostrogothic Kingdom of Italy between 493 and 526, regent of the Visigoths (511–526 ...
and his successors Athalaric and Theodahad. This period ended with
Justinian I Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565. His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...
's reconquest of Italy and City of Rome itself during the Gothic War, inaugurating the Byzantine Papacy (537–752). The role of the Ostrogoths became clear in the first schism, when, on November 22, 498, two men were elected pope. The subsequent triumph of Pope Symmachus (498–514) over Antipope Laurentius is the first recorded example of simony in papal history.Richards, 1979, p. 70. Symmachus also instituted the practice of popes naming their own successors, which held until an unpopular choice was made in 530, and discord continued until the selection in 532 of John II, the first to rename himself upon succession.
Theodoric Theodoric is a Germanic given name. First attested as a Gothic name in the 5th century, it became widespread in the Germanic-speaking world, not least due to its most famous bearer, Theodoric the Great, king of the Ostrogoths. Overview The name w ...
was tolerant towards the Catholic Church and did not interfere in dogmatic matters. He remained as neutral as possible towards the pope, though he exercised a preponderant influence in the affairs of the papacy. Ostrogothic influence ended with the reconquest of Rome by Justinian, who had had pro-Gothic Pope Silverius (536–537) deposed and replaced with his own choice, Pope Vigilius (537–555).


Byzantine Papacy (537–752)

The Byzantine Papacy was a period of return to Imperial domination of the
papacy The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...
from 537 to 752, when popes required the approval of the Byzantine Emperors for episcopal consecration, and many popes were chosen from the '' apocrisiarii'' (liaisons from the pope to the emperor) or the inhabitants of Byzantine Greece,
Syria Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...
, or
Sicily Sicily (Italian language, Italian and ), officially the Sicilian Region (), is an island in the central Mediterranean Sea, south of the Italian Peninsula in continental Europe and is one of the 20 regions of Italy, regions of Italy. With 4. ...
.
Justinian I Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565. His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...
restored the Roman imperial rule in the Italian peninsula after the Gothic War (535–54) and appointed the next three popes, a practice that would be continued by his successors and later be delegated to the
Exarchate of Ravenna The Exarchate of Ravenna (; ), also known as the Exarchate of Italy, was an administrative district of the Byzantine Empire comprising, between the 6th and 8th centuries, the territories under the jurisdiction of the exarch of Italy (''exarchus ...
. With the exception of
Pope Martin I Pope Martin I (, ; between 590 and 600 – 16 September 655), also known as Martin the Confessor, was the bishop of Rome from 21 July 649 to his death 16 September 655. He had served as Pope Theodore I's ambassador to Constantinople, and was pap ...
, no pope during this period questioned the authority of the Byzantine monarch to confirm the election of the
bishop of Rome The pope is the bishop of Rome and the visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the pope was the sovereign or head of sta ...
before consecration could occur; however, theological conflicts were common between pope and emperor in the areas such as monotheletism and
iconoclasm Iconoclasm ()From . ''Iconoclasm'' may also be considered as a back-formation from ''iconoclast'' (Greek: εἰκοκλάστης). The corresponding Greek word for iconoclasm is εἰκονοκλασία, ''eikonoklasia''. is the social belie ...
. Greek speakers from Greece, Syria, and Byzantine Sicily replaced members of the powerful Roman nobles from Italian descent in the papal chair during this period. Rome under the Greek popes constituted a "melting pot" of Western and Eastern Christian traditions, reflected in art as well as liturgy.
Pope Gregory I Pope Gregory I (; ; – 12 March 604), commonly known as Saint Gregory the Great (; ), was the 64th Bishop of Rome from 3 September 590 until his death on 12 March 604. He is known for instituting the first recorded large-scale mission from Ro ...
(590–604) was a major figure in asserting
papal primacy Papal primacy, also known as the primacy of the bishop of Rome, is an ecclesiological doctrine in the Catholic Church concerning the respect and authority that is due to the pope from other bishops and their episcopal sees. While the doctri ...
within the Papacy's local jurisdiction and gave the impetus to missionary activity in northern Europe, including England. Gregory I rejected that any bishop had universal jurisdiction, but believed the Roman see had canonical privileges sourced from the Council of Sardica. The
Duchy of Rome A duchy, also called a dukedom, is a country, territory, fief, or domain ruled by a duke or duchess, a ruler hierarchically second to the king or queen in Western European tradition. There once existed an important difference between "sovereign ...
was a Byzantine district in the Exarchate of Ravenna, ruled by an imperial functionary with the title dux. Within the exarchate, the two chief districts were the country about Ravenna where the exarch was the centre of Byzantine opposition to the Lombards, and the Duchy of Rome, which embraced the lands of Latium north of the Tiber and of Campania to the south as far as the Garigliano. There the pope himself was the soul of the opposition. The pains were taken, as long as possible, to retain control of the intervening districts and with them communication over the Apennine mountains. In 728, the Lombard King Liutprand took the Castle of Sutri, on the road to Perugia, but restored it to Pope Gregory II "as a gift to the blessed Apostles Peter and Paul". The popes continued to acknowledge the imperial Government. In 738, the Lombard duke Transamund of Spoleto captured the Castle of Gallese, which protected the road to Perugia. By a large payment, Pope Gregory III induced the duke to restore the castle to him.


Frankish influence (756–857)

In 751,
Aistulf Aistulf (also Ahistulf, Haistulfus, Astolf etc.; , ; died December 756) was the Duke of Friuli from 744, King of the Lombards from 749, and Duke of Spoleto from 751. His reign was characterized by ruthless and ambitious efforts to conquer Roman ...
took Ravenna and threatened Rome. In response to this threat, Pope Stephen II made an unusual journey north of the Alps to visit the Frankish king, Pepin III, to seek his help against the invading Lombards. The papal elections were marked by battles between various secular and ecclesiastical factions frequently entangled in the power politics of Italy.Goodson, 2010, p. 13. The pope anointed Pepin at the abbey of St Denis, near Paris, together with Pepin's two young sons
Charles Charles is a masculine given name predominantly found in English language, English and French language, French speaking countries. It is from the French form ''Charles'' of the Proto-Germanic, Proto-Germanic name (in runic alphabet) or ''* ...
and Carloman. Pepin duly invaded northern Italy in 754, and again in 756. Pepin was able to drive the Lombards from the territory belonging to Ravenna but he did not restore it to its rightful owner, the Byzantine emperor. Instead, he handed over large areas of central Italy to the pope and his successors. The land given to pope Stephen in 756, in the so-called Donation of Pepin, made the papacy a temporal power and for the first time created an incentive for secular leaders to interfere with papal succession. This territory would become the basis for the
Papal States The Papal States ( ; ; ), officially the State of the Church, were a conglomeration of territories on the Italian peninsula under the direct sovereign rule of the pope from 756 to 1870. They were among the major states of Italy from the 8th c ...
, over which the popes ruled until the Papal States were incorporated into the new
Kingdom of Italy The Kingdom of Italy (, ) was a unitary state that existed from 17 March 1861, when Victor Emmanuel II of Kingdom of Sardinia, Sardinia was proclamation of the Kingdom of Italy, proclaimed King of Italy, until 10 June 1946, when the monarchy wa ...
in 1870. For the next eleven centuries, the story of Rome would be almost synonymous with the story of the papacy. After being physically attacked by his enemies in the streets of Rome,
Pope Leo III Pope Leo III (; died 12 June 816) was bishop of Rome and ruler of the Papal States from 26 December 795 to his death on 12 June 816. Protected by Charlemagne from the supporters of his predecessor, Adrian I, Leo subsequently strengthened Charlem ...
made his way in 799 through the Alps to visit
Charlemagne Charlemagne ( ; 2 April 748 – 28 January 814) was List of Frankish kings, King of the Franks from 768, List of kings of the Lombards, King of the Lombards from 774, and Holy Roman Emperor, Emperor of what is now known as the Carolingian ...
at Paderborn. It is not known what was agreed between the two, but Charlemagne traveled to Rome in 800 to support the pope. In a ceremony in St Peter's Basilica, on Christmas Day, Leo was supposed to anoint Charlemagne's son as his heir. But unexpectedly (it is maintained), as Charlemagne rose from prayer, the pope placed a crown on his head and acclaimed him emperor. It is reported that Charlemagne expressed displeasure but nevertheless accepted the honour. Charlemagne's successor, "Louis the Pious", intervened in the papal election by supporting the claim of
Pope Eugene II Pope Eugene II (; died 27 August 827) was the bishop of Rome and ruler of the Papal States from 6 June 824 to his death on 27 August 827. A native of Rome, he was Papal selection before 1059, chosen by nobles to succeed Paschal I as pope despite ...
; the popes henceforth were required to swear loyalty to the Frankish Emperor.Baumgartner, 2003, p. 14. Papal subjects were made to swear loyalty to the Frankish Emperor and the consecration of the pope could be performed only in the presence of the Emperor's representatives. The consecration of Pope Gregory IV (827–844), chosen by the Roman nobles, was delayed for six months to attain the assent of Louis. Pope Sergius II (844–847), choice of the Roman nobility, was consecrated without reference to Emperor Lothaire, the latter sent his son Louis with an army, and only when "Sergius succeeded in pacifying Louis, whom he crowned king" did
Lothair I Lothair I (9th. C. Frankish: ''Ludher'' and Medieval Latin: ''Lodharius''; Dutch and Medieval Latin: ''Lotharius''; German: ''Lothar''; French: ''Lothaire''; Italian: ''Lotario''; 795 – 29 September 855) was a 9th-century emperor of the ...
side with Sergius II.


Influence of powerful Roman families (904–1048)

The period beginning with the installation of Pope Sergius III in 904 and lasting for sixty years until the death of Pope John XII in 964 is sometimes referred to as Saeculum obscurum or the "dark age." Historian Will Durant refers to the period from 867 to 1049 as the "nadir of the papacy". During this period, the
pope The pope is the bishop of Rome and the Head of the Church#Catholic Church, visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the po ...
s were controlled by a powerful and corrupt aristocratic family, the Theophylacti, and their relatives.


Conflicts with the Emperor and East (1048–1257)

The Imperial crown once held by the Carolingian emperors was disputed between their fractured heirs and local overlords; none emerged victorious until
Otto I, Holy Roman Emperor Otto I (23 November 912 – 7 May 973), known as Otto the Great ( ) or Otto of Saxony ( ), was East Francia, East Frankish (Kingdom of Germany, German) king from 936 and Holy Roman Emperor from 962 until his death in 973. He was the eldest son o ...
invaded Italy. Italy became a constituent kingdom of the
Holy Roman Empire The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
in 962, from which point the emperors were German. As emperors consolidated their position, northern Italian city-states would become divided by
Guelphs and Ghibellines The Guelphs and Ghibellines ( , ; ) were Political faction, factions supporting the Pope (Guelphs) and the Holy Roman Emperor (Ghibellines) in the Italian city-states of Central Italy and Northern Italy during the Middle Ages. During the 12th ...
. Henry III, Holy Roman Emperor found three rival popes when he visited Rome in 1048 because of the unprecedented actions of Pope Benedict IX. He deposed all three and installed his own preferred candidate: Pope Clement II. The history of the papacy from 1048 to 1257 would continue to be marked by conflict between popes and the
Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans (disambiguation), Emperor of the Romans (; ) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period (; ), was the ruler and h ...
, most prominently the
Investiture Controversy The Investiture Controversy or Investiture Contest (, , ) was a conflict between church and state in medieval Europe, the Church and the state in medieval Europe over the ability to choose and install bishops (investiture), abbots of monasteri ...
, a dispute over who—pope or emperor—could appoint bishops within the Empire. Henry IV's Walk to Canossa in 1077 to meet
Pope Gregory VII Pope Gregory VII (; 1015 – 25 May 1085), born Hildebrand of Sovana (), 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 ...
(1073–85), although not dispositive within the context of the larger dispute, has become legendary. Although the emperor renounced any right to lay investiture in the Concordat of Worms (1122), the issue would flare up again. Long-standing divisions between East and West also came to a head in the
East–West Schism The East–West Schism, also known as the Great Schism or the Schism of 1054, is the break of communion (Christian), communion between the Catholic Church and the Eastern Orthodox Church. A series of Eastern Orthodox – Roman Catholic eccle ...
and the
Crusades The Crusades were a series of religious wars initiated, supported, and at times directed by the Papacy during the Middle Ages. The most prominent of these were the campaigns to the Holy Land aimed at reclaiming Jerusalem and its surrounding t ...
. The first seven Ecumenical Councils had been attended by both Western and Eastern prelates, but growing doctrinal, theological, linguistic, political and geographic differences finally resulted in mutual denunciations and excommunications.
Pope Urban II Pope Urban II (; – 29 July 1099), otherwise known as Odo of Châtillon or Otho de Lagery, was the head of the Catholic Church and ruler of the Papal States from 12 March 1088 to his death. He is best known for convening the Council of Clermon ...
(1088–99) convened a
council A council is a group of people who come together to consult, deliberate, or make decisions. A council may function as a legislature, especially at a town, city or county/shire level, but most legislative bodies at the state/provincial or natio ...
at Clermont in November 1095 with the hopes of reunion and lending support to the Byzantines who wanted to reclaim their lands lost to the
Seljuk Turks The Seljuk dynasty, or Seljukids ( ; , ''Saljuqian'',) alternatively spelled as Saljuqids or Seljuk Turks, was an Oghuz Turks, Oghuz Turkic, Sunni Muslim dynasty that gradually became Persianate society, Persianate and contributed to Turco-Persi ...
. After the 10-day council Pope Urban II gave a rousing speech to a massive crowd when he "emphasized the duty of the Christian West to march to the rescue of the Christian East." This speech became the rallying cry of the
First Crusade The First Crusade (1096–1099) was the first of a series of religious wars, or Crusades, initiated, supported and at times directed by the Latin Church in the Middle Ages. The objective was the recovery of the Holy Land from Muslim conquest ...
, which commenced nine months later, in August 1096. Unlike the previous millennium, the process for papal selection became somewhat fixed during this period.
Pope Nicholas II Pope Nicholas II (; c. 990/995 – 27 July 1061), otherwise known as Gerard of Burgundy, was head of the Catholic Church and ruler of the Papal States from 24 January 1059 until his death in 27 July 1061. At the time of his election, he was bish ...
promulgated '' In nomine Domini'' in 1059, which limited suffrage in papal elections to the
College of Cardinals The College of Cardinals (), also called the Sacred College of Cardinals, is the body of all cardinals of the Catholic Church. there are cardinals, of whom are eligible to vote in a conclave to elect a new pope. Appointed by the pope, ...
. The rules and procedures of papal elections evolved during this period, laying the groundwork for the modern
papal conclave A conclave is a gathering of the College of Cardinals convened to appoint the pope of the Catholic Church. Catholics consider the pope to be the apostolic successor of Saint Peter and the earthly head of the Catholic Church. Concerns around ...
. The driving force behind these reforms was Cardinal Hildebrand, who later became Gregory VII.


The wandering popes (1257–1309)

The pope is the
bishop of Rome The pope is the bishop of Rome and the visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the pope was the sovereign or head of sta ...
, but nowhere is it written that he has to stay there (in fact, only 200 years prior, cardinals would have been required to reside in Rome). Political instability in thirteenth-century Italy forced the papal court to move to several different locations, including
Viterbo Viterbo (; Central Italian, Viterbese: ; ) is a city and ''comune'' (municipality) in the Lazio region of Italy, the Capital city, capital of the province of Viterbo. It conquered and absorbed the neighboring town of Ferento (see Ferentium) in ...
,
Orvieto Orvieto () is a city and ''comune'' in the Province of Terni, southwestern Umbria, Italy, situated on the flat summit of a large butte of volcanic tuff. The city rises dramatically above the almost-vertical faces of tuff cliffs that are compl ...
, and
Perugia Perugia ( , ; ; ) is the capital city of Umbria in central Italy, crossed by the River Tiber. The city is located about north of Rome and southeast of Florence. It covers a high hilltop and part of the valleys around the area. It has 162,467 ...
. The popes brought the
Roman Curia The Roman Curia () comprises the administrative institutions of the Holy See and the central body through which the affairs of the Catholic Church are conducted. The Roman Curia is the institution of which the Roman Pontiff ordinarily makes use ...
with them, and the
College of Cardinals The College of Cardinals (), also called the Sacred College of Cardinals, is the body of all cardinals of the Catholic Church. there are cardinals, of whom are eligible to vote in a conclave to elect a new pope. Appointed by the pope, ...
met in the city where the last pope had died to hold papal elections. Host cities enjoyed a boost to their prestige and certain economic advantages, but the municipal authorities risked being subsumed into the administration of the Papal States if they allowed the pope to overstay his welcome. According to Eamon Duffy, "aristocratic factions within the city of Rome once again made it an insecure base for a stable papal government. Innocent IV was exiled from Rome and even from Italy for six years, and all but two of the papal elections of the thirteenth century had to take place outside Rome. The skyline of Rome itself was now dominated by the fortified war-towers of the aristocracy (a hundred were built in Innocent IV's pontificate alone) and the popes increasingly spent their time in the papal palaces at Viterbo and Orvieto."


Avignon Papacy (1309–1377)

During this period, seven popes, all French, resided in
Avignon Avignon (, , ; or , ; ) is the Prefectures in France, prefecture of the Vaucluse department in the Provence-Alpes-Côte d'Azur region of southeastern France. Located on the left bank of the river Rhône, the Communes of France, commune had a ...
starting in 1309:
Pope Clement V Pope Clement V (; – 20 April 1314), born Raymond Bertrand de Got (also occasionally spelled ''de Guoth'' and ''de Goth''), was head of the Catholic Church and ruler of the Papal States from 5 June 1305 to his death, in April 1314. He is reme ...
(1305–14),
Pope John XXII Pope John XXII (, , ; 1244 – 4 December 1334), born Jacques Duèze (or d'Euse), was head of the Catholic Church from 7 August 1316 to his death, in December 1334. He was the second and longest-reigning Avignon Papacy, Avignon Pope, elected by ...
(1316–34), Pope Benedict XII (1334–42), Pope Clement VI (1342–52), Pope Innocent VI (1352–62), Pope Urban V (1362–70),
Pope Gregory XI Pope Gregory XI (; born Pierre Roger de Beaufort; c. 1329 – 27 March 1378) was head of the Catholic Church from 30 December 1370 to his death, in March 1378. He was the seventh and last Avignon pope and the most recent French pope. In 1377, ...
(1370–78). The papacy was controlled by the French King in this time. In 1378, Gregory XI moved the papal residence back to Rome and died there.


Western Schism (1378–1417)

The French cardinals withdrew to a conclave of their own, where they elected one of their number, Robert of Geneva. He took the name Clement VII. This was the beginning of the period of difficulty from 1378 to 1417 which Catholic scholars refer to as the "Western Schism" or, "the great controversy of the antipopes" (also called "the second great schism" by some secular and Protestant historians), when parties within the Catholic Church were divided in their allegiances among the various claimants to the office of pope. The
Council of Constance The Council of Constance (; ) was an ecumenical council of the Catholic Church that was held from 1414 to 1418 in the Bishopric of Constance (Konstanz) in present-day Germany. This was the first time that an ecumenical council was convened in ...
, in 1417, finally resolved the controversy. Another council was convened in 1414 at Constance. In March 1415, the Pisan antipope, John XXIII, fled from Constance in disguise; he was brought back a prisoner and deposed in May. The Roman pope, Gregory XII, resigned voluntarily in July. The council in Constance, having finally cleared the field of popes and antipopes, elected
Pope Martin V Pope Martin V (; ; January/February 1369 – 20 February 1431), born Oddone Colonna, was the head of the Catholic Church and ruler of the Papal States from 11 November 1417 to his death in February 1431. His election effectively ended the We ...
as pope in November.


Early Modern and Modern Era (1417–present)


Renaissance Papacy (1417–1534)

From the election of
Pope Martin V Pope Martin V (; ; January/February 1369 – 20 February 1431), born Oddone Colonna, was the head of the Catholic Church and ruler of the Papal States from 11 November 1417 to his death in February 1431. His election effectively ended the We ...
of the
Council of Constance The Council of Constance (; ) was an ecumenical council of the Catholic Church that was held from 1414 to 1418 in the Bishopric of Constance (Konstanz) in present-day Germany. This was the first time that an ecumenical council was convened in ...
in 1417 to the Reformation, Western Christianity was largely free from schism as well as significant disputed papal claimants. Martin V returned the papacy to Rome in 1420. Although there were important divisions over the direction of the religion, these were resolved through the then-settled procedures of the
papal conclave A conclave is a gathering of the College of Cardinals convened to appoint the pope of the Catholic Church. Catholics consider the pope to be the apostolic successor of Saint Peter and the earthly head of the Catholic Church. Concerns around ...
. Unlike their European peers, popes were not hereditary monarchs, so they could only promote their family interests through
nepotism Nepotism is the act of granting an In-group favoritism, advantage, privilege, or position to Kinship, relatives in an occupation or field. These fields can include business, politics, academia, entertainment, sports, religion or health care. In ...
.Spielvogel, 2008, p. 369. The word ''
nepotism Nepotism is the act of granting an In-group favoritism, advantage, privilege, or position to Kinship, relatives in an occupation or field. These fields can include business, politics, academia, entertainment, sports, religion or health care. In ...
'' originally referred specifically to the practice of creating
cardinal-nephew A cardinal-nephew (; ; ; ; )Signorotto and Visceglia, 2002, p. 114. Modern French scholarly literature uses the term "cardinal-neveu'". was a Cardinal (Catholicism), cardinal elevated by a pope who was that cardinal's relative. The practice of c ...
s, when it appeared in the
English language English is a West Germanic language that developed in early medieval England and has since become a English as a lingua franca, global lingua franca. The namesake of the language is the Angles (tribe), Angles, one of the Germanic peoples th ...
about 1669. According to Duffy, "the inevitable outcome of all of this was a creation of a wealthy cardinalatial class, with strong dynastic connections."Duffy, 2006, p. 193. The college was dominated by
cardinal-nephew A cardinal-nephew (; ; ; ; )Signorotto and Visceglia, 2002, p. 114. Modern French scholarly literature uses the term "cardinal-neveu'". was a Cardinal (Catholicism), cardinal elevated by a pope who was that cardinal's relative. The practice of c ...
s—relatives of the popes that elevated them, crown-cardinals—representatives of the Catholic monarchies of Europe, and members of the powerful Italian families. The wealthy popes and cardinals increasingly patronized
Renaissance The Renaissance ( , ) is a Periodization, period of history and a European cultural movement covering the 15th and 16th centuries. It marked the transition from the Middle Ages to modernity and was characterized by an effort to revive and sur ...
art and architecture, (re)building the landmarks of
Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
from the ground up. The
Papal States The Papal States ( ; ; ), officially the State of the Church, were a conglomeration of territories on the Italian peninsula under the direct sovereign rule of the pope from 756 to 1870. They were among the major states of Italy from the 8th c ...
began to resemble a modern
nation state A nation state, or nation-state, is a political entity in which the State (polity), state (a centralized political organization ruling over a population within a territory) and the nation (a community based on a common identity) are (broadly ...
during this period, and the papacy took an increasingly active role in European wars and diplomacy.
Pope Julius II Pope Julius II (; ; born Giuliano della Rovere; 5 December 144321 February 1513) was head of the Catholic Church and ruler of the Papal States from 1503 to his death, in February 1513. Nicknamed the Warrior Pope, the Battle Pope or the Fearsome ...
become known as "the Warrior Pope" for his use of bloodshed to increase the territory and property of the papacy.Spielvogel, 2008, p. 368. The popes of this period used the papal military not only to enrich themselves and their families, but also to enforce and expand upon the longstanding territorial and property claims of the papacy as an institution.Duffy, 2006, p. 190. Although, before the Western Schism, the papacy had derived much of its revenue from the "vigorous exercise of its spiritual office," during this period the popes were financially dependent on the revenues from the Papal States themselves. With ambitious expenditures on war and construction projects, popes turned to new sources of revenue from the sale of
indulgence In the teaching of the Catholic Church, an indulgence (, from , 'permit') is "a way to reduce the amount of punishment one has to undergo for (forgiven) sins". The ''Catechism of the Catholic Church'' describes an indulgence as "a remission bef ...
s and bureaucratic and ecclesiastical offices.Duffy, 2006, p. 194.
Pope Clement VII Pope Clement VII (; ; born Giulio di Giuliano de' Medici; 26 May 1478 – 25 September 1534) was head of the Catholic Church and ruler of the Papal States from 19 November 1523 to his death on 25 September 1534. Deemed "the most unfortunate o ...
's diplomatic and military campaigns resulted in the Sack of Rome in 1527. Popes were more frequently called upon to arbitrate disputes between competing colonial powers than to resolve complicated theological disputes. Columbus' discovery in 1492 upset the unstable relations between the kingdoms of
Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...
and Castile, whose jockeying for possession of colonial territories along the African coast had for many years been regulated by the papal bulls of 1455, 1456, and 1479. Alexander VI responded with three bulls, dated May 3 and 4, which were highly favorable to Castile; the third '' Inter caetera'' (1493) awarded Spain the sole right to colonize most of the
New World The term "New World" is used to describe the majority of lands of Earth's Western Hemisphere, particularly the Americas, and sometimes Oceania."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: ...
. According to Eamon Duffy, "the Renaissance papacy invokes images of a Hollywood spectacular, all decadence and drag. Contemporaries viewed Renaissance Rome as we now view Nixon's Washington, a city of expense-account whores and political graft, where everything and everyone had a price, where nothing and nobody could be trusted. The popes themselves seemed to set the tone." For example, Leo X was said to have remarked: "Let us enjoy the papacy, since God has given it to us." Several of these popes took mistresses and fathered children and engaged in intrigue or even murder.
Alexander VI Pope Alexander VI (, , ; born Roderic Llançol i de Borja; epithet: ''Valentinus'' ("The Kingdom of Valencia, Valencian"); – 18 August 1503) was head of the Catholic Church and ruler of the Papal States from 11 August 1492 until his death ...
had four acknowledged children: Cesare Borgia,
Lucrezia Borgia Lucrezia Borgia (18 April 1480 – 24 June 1519) was an Italian noblewoman of the House of Borgia who was the illegitimate daughter of Pope Alexander VI and Vannozza dei Cattanei. She was a former governor of Spoleto. Her family arranged ...
,
Gioffre Borgia Gioffre Borgia (1481 – January 1517), also known as Goffredo Borgia (Italian language, Italian) or Jofré Borja (Valencian language, Valencian), was the youngest illegitimate son of Pope Alexander VI and Vannozza dei Cattanei, and a member of ...
, and Giovanni Borgia before he became Pope.


Reformation and Counter-Reformation (1517–1580)

The Reformation (1517–1580) challenged the papacy, with figures like Martin Luther labeling it as the
Antichrist In Christian eschatology, Antichrist (or in broader eschatology, Anti-Messiah) refers to a kind of entity prophesied by the Bible to oppose Jesus in Christianity, Jesus Christ and falsely substitute themselves as a savior in Christ's place before ...
and criticizing practices like
indulgence In the teaching of the Catholic Church, an indulgence (, from , 'permit') is "a way to reduce the amount of punishment one has to undergo for (forgiven) sins". The ''Catechism of the Catholic Church'' describes an indulgence as "a remission bef ...
s. In response, the Catholic Church launched the
Counter-Reformation The Counter-Reformation (), also sometimes called the Catholic Revival, was the period of Catholic resurgence that was initiated in response to, and as an alternative to or from similar insights as, the Protestant Reformations at the time. It w ...
, led by Pope Paul III and the
Council of Trent The Council of Trent (), held between 1545 and 1563 in Trent (or Trento), now in northern Italy, was the 19th ecumenical council of the Catholic Church. Prompted by the Protestant Reformation at the time, it has been described as the "most ...
(1545–1563), which reaffirmed Catholic doctrines and initiated reforms to address corruption. Subsequent popes, including Paul IV, intensified efforts to combat heresy and promote Catholic renewal.


Baroque Papacy (1585–1689)

The pontificate of
Pope Sixtus V Pope Sixtus V (; 13 December 1521 – 27 August 1590), born Felice Piergentile, was head of the Catholic Church and ruler of the Papal States from 24 April 1585 to his death, in August 1590. As a youth, he joined the Franciscan order, where h ...
(1585–1590) opened up the final stage of the Catholic Reformation, characteristic of the
Baroque The Baroque ( , , ) is a Western Style (visual arts), style of Baroque architecture, architecture, Baroque music, music, Baroque dance, dance, Baroque painting, painting, Baroque sculpture, sculpture, poetry, and other arts that flourished from ...
age of the early seventeenth century, shifting away from compelling to attracting. His reign focused on rebuilding Rome as a great European capital and Baroque city, a visual symbol for the Catholic Church.


During the Age of Revolution (1775–1848)


Roman Question (1870–1929)

The last eight years of his long pontificate – the longest in church history –
Pope Pius IX Pope Pius IX (; born Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846 to 1878. His reign of nearly 32 years is the longest verified of any pope in hist ...
spent as prisoner of the Vatican. Catholics were forbidden to vote or be voted for in national elections. However, they were permitted to participate in local elections, where they achieved successes. Pius himself was active during those years by creating new diocesan seats and appointing bishops to numerous dioceses, which had been unoccupied for years. Asked if he wanted his successor to follow his Italian policies, the old pontiff replied:
Pope Leo XIII Pope Leo XIII (; born Gioacchino Vincenzo Raffaele Luigi Pecci; 2March 181020July 1903) was head of the Catholic Church from 20 February 1878 until his death in July 1903. He had the fourth-longest reign of any pope, behind those of Peter the Ap ...
, considered a great diplomat, managed to improve relations with Russia, Prussia, German France, England and other countries. However, in light of a hostile anti-Catholic climate in Italy, he continued the policies of Pius IX towards Italy, without major modifications. He had to defend the freedom of the church against Italian persecutions and attacks in the area of education, expropriation and violation of Catholic Churches, legal measures against the church and brutal attacks, culminating in anticlerical groups attempting to throw the body of the deceased Pope Pius IX into the Tiber river on July 13, 1881. The pope even considered moving the papacy to
Trieste Trieste ( , ; ) is a city and seaport in northeastern Italy. It is the capital and largest city of the Regions of Italy#Autonomous regions with special statute, autonomous region of Friuli-Venezia Giulia, as well as of the Province of Trieste, ...
or
Salzburg Salzburg is the List of cities and towns in Austria, fourth-largest city in Austria. In 2020 its population was 156,852. The city lies on the Salzach, Salzach River, near the border with Germany and at the foot of the Austrian Alps, Alps moun ...
, two cities under
Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...
n control, an idea which the Austrian monarch Franz Josef I gently rejected. His encyclicals changed church positions on relations with temporal authorities, and, in the 1891 encyclical ''
Rerum novarum ''Rerum novarum'', or ''Rights and Duties of Capital and Labor'', is an encyclical issued by Pope Leo XIII on 15 May 1891. It is an open letter, passed to all Catholic patriarchs, primates, archbishops, and bishops, which addressed the condi ...
'' addressed for the first time social inequality and social justice issues with Papal authority. He was greatly influenced by Wilhelm Emmanuel von Ketteler, a German bishop who openly propagated siding with the suffering working classes Since Leo XIII, Papal teachings expand on the right and obligation of workers and the limitations of private property:
Pope Pius XI Pope Pius XI (; born Ambrogio Damiano Achille Ratti, ; 31 May 1857 – 10 February 1939) was head of the Catholic Church from 6 February 1922 until his death in February 1939. He was also the first sovereign of the Vatican City State u ...
''
Quadragesimo anno ''Quadragesimo anno'' () (Latin for "In the 40th Year") is an encyclical issued by Pope Pius XI on 15 May 1931, 40 years after Leo XIII's encyclical '' Rerum novarum'', further developing Catholic social teaching. Unlike Leo XIII, who addre ...
'', the Social teachings of Pope Pius XII on a huge range of social issues,
John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
'' Mater et magistra'' in 1961,
Pope Paul VI Pope Paul VI (born Giovanni Battista Enrico Antonio Maria Montini; 26 September 18976 August 1978) was head of the Catholic Church and sovereign of the Vatican City State from 21 June 1963 until his death on 6 August 1978. Succeeding John XXII ...
, the encyclical Populorum progressio on World development issues, and
Pope John Paul II Pope John Paul II (born Karol Józef Wojtyła; 18 May 19202 April 2005) was head of the Catholic Church and sovereign of the Vatican City State from 16 October 1978 until Death and funeral of Pope John Paul II, his death in 2005. In his you ...
, '' Centesimus annus'', commemorating the 100th anniversary of ''Rerum novarum'' of Pope Leo XIII.


From the creation of Vatican City (1929)

The pontificate of
Pope Pius XI Pope Pius XI (; born Ambrogio Damiano Achille Ratti, ; 31 May 1857 – 10 February 1939) was head of the Catholic Church from 6 February 1922 until his death in February 1939. He was also the first sovereign of the Vatican City State u ...
was marked by great diplomatic activity and the issuance of many important papers, often in the form of encyclicals. In diplomatic affairs, Pius was aided at first by Pietro Gasparri and after 1930 by Eugenio Pacelli (who succeeded him as
Pope Pius XII Pope Pius XII (; born Eugenio Maria Giuseppe Giovanni Pacelli; 2 March 18769 October 1958) was the head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death on 9 October 1958. He is the most recent p ...
). Cardinal Gasparri's masterpiece was the Lateran Treaty (1929), negotiated for the Vatican by Francesco Pacelli. Nevertheless, the Fascist government and the pope were in open disagreement over the restriction of youth activities; this culminated in a strong papal letter (Non abbiamo bisogno, 1931), arguing the impossibility of being at once a Fascist and a Catholic. Relations between Mussolini and the Holy See were cool ever after. Negotiations for the settlement of the Roman Question began in 1926 between the government of Italy and the Holy See, and in 1929 they culminated in the agreements of the three Lateran Pacts, signed for King
Victor Emmanuel III of Italy Victor Emmanuel III (; 11 November 1869 – 28 December 1947) was King of Italy from 29 July 1900 until his abdication on 9 May 1946. A member of the House of Savoy, he also reigned as Emperor of Ethiopia from 1936 to 1941 and King of the Albania ...
by
Prime Minister A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...
Benito Mussolini Benito Amilcare Andrea Mussolini (29 July 188328 April 1945) was an Italian politician and journalist who, upon assuming office as Prime Minister of Italy, Prime Minister, became the dictator of Fascist Italy from the March on Rome in 1922 un ...
and for Pope Pius XI by Cardinal Secretary of State Pietro Gasparri in the
Lateran Palace The Apostolic Palace of the Lateran (; ), informally the Lateran Palace (), is an ancient palace of the Roman Empire and later the main pope, papal residence in Rome. Located on Saint John's Square in Lateran on the Caelian Hill, the palace is ...
(hence the name by which they are known). The
Lateran Treaty The Lateran Treaty (; ) was one component of the Lateran Pacts of 1929, agreements between Italy under Victor Emmanuel III and Benito Mussolini and the Holy See under Pope Pius XI to settle the long-standing Roman question. The treaty and ass ...
included a political treaty, which created the state of the Vatican City and guaranteed full and independent sovereignty to the
Holy See The Holy See (, ; ), also called the See of Rome, the Petrine See or the Apostolic See, is the central governing body of the Catholic Church and Vatican City. It encompasses the office of the pope as the Bishops in the Catholic Church, bishop ...
. The pope was pledged to perpetual neutrality in
international relations International relations (IR, and also referred to as international studies, international politics, or international affairs) is an academic discipline. In a broader sense, the study of IR, in addition to multilateral relations, concerns al ...
and to abstention from mediation in a controversy unless specifically requested by all parties. The concordat established
Catholicism The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
as the religion of Italy. And the financial agreement was accepted as settlement of all the claims of the Holy See against Italy arising from the loss of temporal power in 1870. A national concordat with Germany was one of Pacelli's main objectives as secretary of state. As
nuncio An apostolic nuncio (; also known as a papal nuncio or simply as a nuncio) is an ecclesiastical diplomat, serving as an envoy or a permanent diplomatic representative of the Holy See to a state or to an international organization. A nuncio is ...
during the 1920s, he had made unsuccessful attempts to obtain German agreement for such a treaty, and between 1930 and 1933 he attempted to initiate negotiations with representatives of successive German governments, but the opposition of Protestant and Socialist parties, the instability of national governments and the care of the individual states to guard their autonomy thwarted this aim. In particular, the questions of denominational schools and pastoral work in the armed forces prevented any agreement on the national level, despite talks in the winter of 1932.
Adolf Hitler Adolf Hitler (20 April 1889 – 30 April 1945) was an Austrian-born German politician who was the dictator of Nazi Germany from 1933 until Death of Adolf Hitler, his suicide in 1945. Adolf Hitler's rise to power, He rose to power as the lea ...
was appointed Chancellor on 30 January 1933 and sought to gain international respectability and to remove internal opposition by representatives of the church and the Catholic Centre Party. He sent his vice chancellor Franz von Papen, a Catholic nobleman and former member of the Centre Party, to Rome to offer negotiations about a Reichskonkordat. On behalf of Cardinal Pacelli, his long-time associate Prelate
Ludwig Kaas Ludwig Kaas (23 May 1881 – 15 April 1952) was a German Roman Catholic priest and politician of the Centre Party during the Weimar Republic. He was instrumental in brokering the Reichskonkordat between the Holy See and the German Reich. ...
, the out-going chairman of the Centre Party, negotiated first drafts of the terms with Papen. The concordat was finally signed, by Pacelli for the Vatican and von Papen for Germany, on 20 July and ratified on September 10, 1933. Between 1933 and 1939, Pacelli issued 55 protests of violations of the ''Reichskonkordat''. Most notably, early in 1937, Pacelli asked several German cardinals, including Cardinal
Michael von Faulhaber Michael von Faulhaber (5 March 1869 – 12 June 1952) was a German Catholic prelate who served as list of bishops of Freising and archbishops of Munich and Freising, Archbishop of Munich and Freising for 35 years, from 1917 to his death in 195 ...
to help him write a protest of Nazi violations of the ''Reichskonkordat''; this was to become Pius XI's encyclical ''
Mit brennender Sorge ''Mit brennender Sorge'' ( , in English "With deep it. 'burning'anxiety") is an encyclical of Pope Pius XI, issued during the Nazi era on 10 March 1937 (but bearing a date of Passion Sunday, 14 March)."Church and state through the centu ...
''. The encyclical, condemning the view that "exalts race, or the people, or the
State State most commonly refers to: * State (polity), a centralized political organization that regulates law and society within a territory **Sovereign state, a sovereign polity in international law, commonly referred to as a country **Nation state, a ...
, or a particular form of State … above their standard value and divinizes them to an idolatrous level", was written in German instead of
Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
and read in German churches on
Palm Sunday Palm Sunday is the Christian moveable feast that falls on the Sunday before Easter. The feast commemorates Christ's triumphal entry into Jerusalem, an event mentioned in each of the four canonical Gospels. Its name originates from the palm bran ...
1937.


World War II (1939–1945)

When Germany invaded Poland on September 1, 1939, the Vatican declared neutrality to avoid being drawn into the conflict and also to avoid occupation by the Italian military. The Church policies after World War II of Pope Pius XII focused on material aid to war-torn Europe with its 15 million displaced persons and refugees, an internal internationalization of the Catholic Church, and the development of its worldwide diplomatic relations. His encyclical '' Evangelii praecones'' increased the local decision-making of Catholic missions, many of which became independent dioceses. Pius XII demanded recognition of local cultures as fully equal to European culture. He internationalized the College of Cardinals by eliminating the Italian majority and appointed cardinals from Asia, South America and Australia. In Western Africa Southern Africa British Eastern Africa, Finland, Burma and French Africa Pope Pius established independent dioceses in 1955. While after years of rebuilding the church thrived in the West and most of the developing world, it faced most serious persecutions in the East. Sixty million Catholics came under Soviet dominated regimes in 1945, with tens of thousands of priests and religious killed, and millions deported into Soviet and Chinese Gulags. The communist regimes in Albania, Bulgaria, Romania and China practically eradicated the Catholic Church in their countries


From Vatican II (1962–1965) to the present

On October 11, 1962,
Pope John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
opened the Second Ecumenical Vatican Council. The 21st
ecumenical council An ecumenical council, also called general council, is a meeting of bishops and other church authorities to consider and rule on questions of Christian doctrine, administration, discipline, and other matters in which those entitled to vote are ...
of the Catholic Church emphasized the
universal call to holiness The universal call to holiness is a teaching of the Roman Catholic Church that all people are called to be holy, and is based on Matthew 5:48: "Be you therefore perfect, as also your heavenly Father is perfect" (). In the first book of the Bible, ...
and brought many changes in practices. On December 7, 1965, a Joint Catholic-Orthodox Declaration of Pope Paul VI and the Ecumenical Patriarch Athenagoras I lifted the mutual excommunication against Catholic and Orthodox which had been in force since the Great Schism of 1054. The bishops agreed that the pope exercises supreme authority over the church, but defined "collegiality", meaning that all bishops share in this authority. Local bishops have equal authority as successors of the Apostles and as members of a larger organization, the church founded by Jesus Christ and entrusted to the apostles. The pope serves as a symbol of unity and has additional authority to ensure the continuation of that unity. During the
Second Vatican Council The Second Ecumenical Council of the Vatican, commonly known as the or , was the 21st and most recent ecumenical council of the Catholic Church. The council met each autumn from 1962 to 1965 in St. Peter's Basilica in Vatican City for session ...
, Catholic bishops drew back a bit from statements which might anger Christians of other faiths. Cardinal Augustin Bea, the President of the Christian Unity Secretariat had always the full support of
Pope Paul VI Pope Paul VI (born Giovanni Battista Enrico Antonio Maria Montini; 26 September 18976 August 1978) was head of the Catholic Church and sovereign of the Vatican City State from 21 June 1963 until his death on 6 August 1978. Succeeding John XXII ...
in his attempts to ensure that the Council language is friendly and open to the sensitivities of Protestant and Orthodox Churches, whom he had invited to all sessions at the request of
Pope John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
. Bea also was strongly involved in the passage of '' Nostra aetate'', which regulates relation of the church with the Jewish faith and members of other religions.
Pope Paul VI Pope Paul VI (born Giovanni Battista Enrico Antonio Maria Montini; 26 September 18976 August 1978) was head of the Catholic Church and sovereign of the Vatican City State from 21 June 1963 until his death on 6 August 1978. Succeeding John XXII ...
(1963–1978), however, continued the ecumenical efforts of
Pope John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
in his contacts with
Protestant Protestantism is a branch of Christianity that emphasizes Justification (theology), justification of sinners Sola fide, through faith alone, the teaching that Salvation in Christianity, salvation comes by unmerited Grace in Christianity, divin ...
and Orthodox churches. Pope Paul VI faced criticism throughout his papacy from both traditionalists and liberals for steering a middle course during
Vatican II The Second Ecumenical Council of the Vatican, commonly known as the or , was the 21st and most recent Catholic ecumenical councils, ecumenical council of the Catholic Church. The council met each autumn from 1962 to 1965 in St. Peter's Basilic ...
and in the course of the implementation of its reforms thereafter. His passion for peace during the
Vietnam War The Vietnam War (1 November 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Vietnam) and their allies. North Vietnam w ...
was not understood by all. The urgent task of overcoming World poverty and start real development resulted partly in benign neglect of papal teachings by the influential and the rich. On basic church teachings, this pope was unwavering. On the tenth anniversary of '' Humanae vitae'', he strongly reconfirmed his teachings.Graham, 76. In his style and methodology, he was a disciple of
Pius XII Pope Pius XII (; born Eugenio Maria Giuseppe Giovanni Pacelli; 2 March 18769 October 1958) was the head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death on 9 October 1958. He is the most recent p ...
, whom he deeply revered. He suffered under the attacks of his predecessor for his alleged silences, knowing from personal association with the late pope the real concerns and compassion of Pius XII. Pope Paul is not credited to have had the encyclopaedic culture of Pius XII, nor his phenomenal memory, his amazing gift for languages, his brilliant style in writing, nor did he have the Charisma and outpouring love, sense of humor and human warmth of
John XXIII Pope John XXIII (born Angelo Giuseppe Roncalli; 25 November 18813 June 1963) was head of the Catholic Church and sovereign of the Vatican City State from 28 October 1958 until his death on 3 June 1963. He is the most recent pope to take ...
. ''He took on himself the unfinished reform work of these two popes, bringing them diligently with great humility and common sense and without much fanfare to conclusion.'' In doing so, Paul VI saw himself following in the footsteps of the Apostle Paul, torn to several directions as ''Saint Paul, who always said, I am attracted to two sides at once, because the Cross always divides.'' He became the first pope to visit all five continents.Josef Schmitz van Vorst, 68 Paul VI systematically continued and completed the efforts of his predecessors, to turn the Euro-centric church into a church for the whole world, by integrating the bishops from all continents in its government and in the Synods which he convened. His August 6, 1967
Motu Proprio In law, (Latin for 'on his own impulse') describes an official act taken without a formal request from another party. Some jurisdictions use the term for the same concept. In Catholic canon law, it refers to a document issued by the pope on h ...
''Pro Comperto Sane'' opened the
Roman Curia The Roman Curia () comprises the administrative institutions of the Holy See and the central body through which the affairs of the Catholic Church are conducted. The Roman Curia is the institution of which the Roman Pontiff ordinarily makes use ...
to the bishops of the world. Until that time, only Cardinals could be leading members of the Curia. An inner joy seems to have been a characteristic of Paul VI. His confessor, the
Jesuit The Society of Jesus (; abbreviation: S.J. or SJ), also known as the Jesuit Order or the Jesuits ( ; ), is a religious order (Catholic), religious order of clerics regular of pontifical right for men in the Catholic Church headquartered in Rom ...
Paolo Dezza arrived at the Vatican every Friday evening at seven p.m. to hear confession of Paul VI. The only words he ever spoke about his long service to Paul VI during his pontificate were, ''that this pope is a man of great joy.'' After the death of
Pope Paul VI Pope Paul VI (born Giovanni Battista Enrico Antonio Maria Montini; 26 September 18976 August 1978) was head of the Catholic Church and sovereign of the Vatican City State from 21 June 1963 until his death on 6 August 1978. Succeeding John XXII ...
, Dezza was more outspoken, saying that "if Paul VI was not a saint, when he was elected pope, he became one during his pontificate. I was able to witness not only with what energy and dedication he toiled for Christ and the Church but also and above all, how much he suffered for Christ and the Church. I always admired not only his deep inner resignation but also his constant abandonment to divine providence." It is this character trait, which led to the opening of the process of
beatification Beatification (from Latin , "blessed" and , "to make") is a recognition accorded by the Catholic Church of a deceased person's entrance into Heaven and capacity to intercede on behalf of individuals who pray in their name. ''Beati'' is the p ...
and
canonization Canonization is the declaration of a deceased person as an officially recognized saint, specifically, the official act of a Christianity, Christian communion declaring a person worthy of public veneration and entering their name in the canon ca ...
for Paul VI. With the accession of
Pope John Paul II Pope John Paul II (born Karol Józef Wojtyła; 18 May 19202 April 2005) was head of the Catholic Church and sovereign of the Vatican City State from 16 October 1978 until Death and funeral of Pope John Paul II, his death in 2005. In his you ...
after the death of Pope John Paul I (who was only pope for 33 days), the church had, for the first time since
Pope Adrian VI Pope Adrian VI (; ; ; ), born Adriaan Florensz Boeyens (2 March 1459 – 14 September 1523), was head of the Catholic Church and ruler of the Papal States from 9 January 1522 until his death on 14 September 1523. The only Dutch people, Du ...
in the 16th century, a non-Italian pope. John Paul II has been credited with helping to bring down communism in eastern Europe by sparking what amounted to a peaceful revolution in his Polish homeland.
Lech Wałęsa Lech Wałęsa (; ; born 29 September 1943) is a Polish statesman, dissident, and Nobel Peace Prize laureate who served as the president of Poland between 1990 and 1995. After winning the 1990 Polish presidential election, 1990 election, Wałę ...
, one of the several founders of the
Solidarity Solidarity or solidarism is an awareness of shared interests, objectives, standards, and sympathies creating a psychological sense of unity of groups or classes. True solidarity means moving beyond individual identities and single issue politics ...
worker movement that ultimately toppled communism, credited John Paul with giving Poles the courage to rise up. The former Soviet general secretary
Mikhail Gorbachev Mikhail Sergeyevich Gorbachev (2 March 1931 – 30 August 2022) was a Soviet and Russian politician who served as the last leader of the Soviet Union from 1985 to dissolution of the Soviet Union, the country's dissolution in 1991. He served a ...
acknowledged publicly the role of John Paul II in the fall of Communism. The pope himself stated after the fall of Communism that "the claim to build a world without God has been shown to be an illusion" (Prague, April 21, 1990). But this world without God exists under capitalism too. Therefore, as did his predecessors, John Paul reiterated Christianity's defense of the
human Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
person, and warned against the dangers of
capitalism Capitalism is an economic system based on the private ownership of the means of production and their use for the purpose of obtaining profit. This socioeconomic system has developed historically through several stages and is defined by ...
, particularly in '' Centesimus annus''. "Unfortunately, not everything the West proposes as a theoretical vision or as a concrete lifestyle reflects Gospel values." The long pontificate of John Paul is credited with re-creating a sense of stability and even identity to the Catholic Church after years of questioning and searching. His teaching was firm and unwavering on issues which seemed to be in doubt under his predecessor including the ordination of women, liberation theology and priestly celibacy. He virtually stopped the liberal laicisation of problem priests policy of Pope Paul VI, which inadvertently may have contributed to problems in the USA. His authoritative style was reminiscent of
Pope Pius XII Pope Pius XII (; born Eugenio Maria Giuseppe Giovanni Pacelli; 2 March 18769 October 1958) was the head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death on 9 October 1958. He is the most recent p ...
, whose teaching he repeated in his own words, such as the identity of the Catholic Church with the Body of Christ and his condemnations of capitalism "viruses":
secularism Secularism is the principle of seeking to conduct human affairs based on naturalistic considerations, uninvolved with religion. It is most commonly thought of as the separation of religion from civil affairs and the state and may be broadened ...
, indifferentism, hedonistic
consumerism Consumerism is a socio-cultural and economic phenomenon that is typical of industrialized societies. It is characterized by the continuous acquisition of goods and services in ever-increasing quantities. In contemporary consumer society, the ...
, practical
materialism Materialism is a form of monism, philosophical monism according to which matter is the fundamental Substance theory, substance in nature, and all things, including mind, mental states and consciousness, are results of material interactions. Acco ...
, and also formal
atheism Atheism, in the broadest sense, is an absence of belief in the Existence of God, existence of Deity, deities. Less broadly, atheism is a rejection of the belief that any deities exist. In an even narrower sense, atheism is specifically the ...
. As always after a long pontificate, a new page was opened in the history of the church with the election of a new pope.
Pope Benedict XVI Pope BenedictXVI (born Joseph Alois Ratzinger; 16 April 1927 – 31 December 2022) was head of the Catholic Church and sovereign of the Vatican City State from 19 April 2005 until his resignation on 28 February 2013. Benedict's election as p ...
was elected in 2005. In his inaugural homily, the new Pontiff explained his view of a relation with Christ: On February 11, 2013,
Pope Benedict XVI Pope BenedictXVI (born Joseph Alois Ratzinger; 16 April 1927 – 31 December 2022) was head of the Catholic Church and sovereign of the Vatican City State from 19 April 2005 until his resignation on 28 February 2013. Benedict's election as p ...
announced that he would tender his resignation on February 28, 2013, less than three weeks later. On March 13, 2013,
Pope Francis Pope Francis (born Jorge Mario Bergoglio; 17 December 1936 – 21 April 2025) was head of the Catholic Church and sovereign of the Vatican City State from 13 March 2013 until Death and funeral of Pope Francis, his death in 2025. He was the fi ...
—the first Jesuit pope and the first pope from the
Americas The Americas, sometimes collectively called America, are a landmass comprising the totality of North America and South America.''Webster's New World College Dictionary'', 2010 by Wiley Publishing, Inc., Cleveland, Ohio. When viewed as a sing ...
—was elected to the papacy. After apparently recovering from a serious illness, he died following a stroke on April 21, 2025. On May 8, 2025, an Augustinian and the first American was elected, with
Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...
vian citizenship,
Pope Leo XIV Pope Leo XIV (born Robert Francis Prevost, September 14, 1955) has been head of the Catholic Church and sovereign of the Vatican City State since May 2025. He is the first pope to have been born in the United States and North America, the fir ...
.


See also

*
List of popes This chronological list of the popes of the Catholic Church corresponds to that given in the under the heading "" (The Roman Supreme Pontiffs), excluding those that are explicitly indicated as antipopes. Published every year by the Roman Curia ...
*
Papal States The Papal States ( ; ; ), officially the State of the Church, were a conglomeration of territories on the Italian peninsula under the direct sovereign rule of the pope from 756 to 1870. They were among the major states of Italy from the 8th c ...
* Papal Zouaves * Index of Vatican City-related articles


References


Further reading

* Adiele, Pius Onyemechi. ''The Popes, the Catholic Church and the Transatlantic Enslavement of Black Africans 1418–1839'' (Georg Olms Verlag, 2017). * Aradi, Zsolt. ''The Popes: The History Of How They Are Chosen Elected And Crowned'' (1955
online
* Bauer, Stefan. (2020):
The Invention of Papal History: Onofrio Panvinio between Renaissance and Catholic Reform
'' Oxford University Press. * * Chadwick, Owen, ''The Popes and European revolution'' (Oxford UP, 1981
online
covers 1789 to 1815 * Chadwick, Owen. ''A history of the popes, 1830–1914'' (Oxford UP, 1998), scholarl
online
* * Coppa, Frank J. ''The Papacy in the Modern World: A Political History '' (2014
online review
* Coppa, Frank J. ed. ''The great popes through history: an encyclopedia'' (2 vol, 2002
online
* * Fletcher, Stella. ''The Popes and Britain: a history of rule, rupture and reconciliation'' (Bloomsbury Publishing, 2017). * Lascelles, Christopher. ''Pontifex Maximus: A Short History of the Popes'' (Crux Publishing Ltd, 2017). * * * *, popular history * O’Malley, S.J., John W. ''The Jesuits and the Popes: A Historical Sketch of Their Relationship'' (2016) * * * Schatz, Klaus. ''Papal Primacy from its Origins to the Present'' (Collegeville, MN, 1996). * Schimmelpfennig, Bernhard. ''The Papacy'' (New York, 1992) *, popular history * Vaughan, Herbert. ''The Medici Popes'' (Jovian Press, 2018).


Early and Medieval

* * Dunn, Geoffrey D., ed. ''The bishop of Rome in late antiquity'' (Routledge, 2016), scholarly essays. * Housely, Norman. ''The Avignon Papacy and the Crusades'' (Oxford UP, 1986). * Larson, Atria, and Keith Sisson, eds. ''A Companion to the Medieval Papacy: Growth of an Ideology and Institution'' (Brill, 2016
online
* Moorhead, John. ''The Popes and the Church of Rome in Late Antiquity'' (Routledge, 2015) * Noble, Thomas F.X. "The Papacy in the Eighth and Ninth Centuries". ''New Cambridge Medieval History, v. 2: c. 700–c.900, ''ed. Rosamund McKiterrick (Cambridge UP, 1995). * Robinson, Ian Stuart. ''The Papacy, 1073–1198: Continuity and Innovation'' (Cambridge, 1990). * Richards, Jeffrey. ''Popes and the Papacy in the Early Middle Ages, 476–752'' (London, 1979). * Setton, Kenneth M. ''The Papacy and the Levant, 1204–1571'' (4 vols. Philadelphia, 1976–1984) * Sotinel, Claire. "Emperors and Popes in the Sixth Century". in ''The Cambridge Companion to the Age of Justinian'', ed. Michael Maas (Cambridge UP, 2005). * * Ullmann, Walter. ''A short history of the papacy in the Middle Ages''. (1960
online
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