|Bishop of Rome|
|Archdiocese||Diocese of Rome|
|Papacy began||29 September 440|
|Papacy ended||10 November 461|
|Born||c. 400 AD|
Tuscany, Western Roman Empire
|Died||10 November 461|
Rome, Western Roman Empire
|Tradition or movement||Chalcedonism|
|Notable ideas||Chalcedonian Definition|
|Other popes named Leo|
Pope Leo I (c. 400 – 10 November 461), also known as Saint Leo the Great, was Bishop of Rome from 29 September 440 and died in 461. Pope Benedict XVI said that Leo's papacy "...was undoubtedly one of the most important in the Church's history."
He was a Roman aristocrat, and was the first pope to have been called "the Great". He is perhaps best known for having met Attila the Hun in 452 and allegedly persuaded him to turn back from his invasion of Italy. He is also a Doctor of the Church, most remembered theologically for issuing the Tome of Leo, a document which was a major foundation to the debates of the Ecumenical Council of Chalcedon. The Council of Chalcedon, the fourth ecumenical council, dealt primarily with Christology, and elucidated the orthodox definition of Christ's being as the hypostatic union of two natures, divine and human, united in one person, "with neither confusion nor division". It was followed by a major schism associated with Monophysitism, Miaphysitism and Dyophysitism.
According to the Liber Pontificalis , he was a native of Tuscany. By 431, as a deacon, he was sufficiently well known outside of Rome that John Cassian dedicated to him the treatise against Nestorius written at Leo's suggestion. About this time Cyril of Alexandria appealed to Rome regarding a jurisdictional dispute with Juvenal of Jerusalem, but it is not entirely clear whether the letter was intended for Leo, in his capacity of archdeacon,or for Pope Celestine I directly. Near the end of the reign of Pope Sixtus III, Leo was dispatched at the request of Emperor Valentinian III to settle a dispute between Aëtius, one of Gaul's chief military commanders, and the chief magistrate Caecina Decius Aginatius Albinus. Johann Peter Kirsch sees this commission as a proof of the confidence placed in the able deacon by the Imperial Court.
During his absence in Gaul, Pope Sixtus III died (11 August 440), and on 29 September Leo was unanimously elected by the people to succeed him.
Soon after assuming the papal throne Leo learned that in Aquileia, Pelagians were received into church communion without formal repudiation of their errors; he censured this practice and directed that a provincial synod be held where such former Pelagians be required make an unequivocal abjuration.
Manichaeans fleeing the Vandals had come to Rome in 439 and secretly organized there; Leo learned of it around 443, and proceeded against them by holding a public debate with their representatives, burning their books and writing letters of warning to the Italian bishops. His attitude was as decided against the Priscillianists. Bishop Turibius of Astorga, astonished at the spread of the sect in Spain, had addressed the other Spanish bishops on the subject, sending a copy of his letter to Leo, who took the opportunity to write an extended treatise (21 July 447) against the sect, examining its false teaching in detail and calling for a Spanish general council to investigate whether it had any adherents in the episcopate.
From a pastoral perspective, he galvanized charitable works in a Rome beset by famines, an influx of refugees, and poverty. He further associated the practice of fasting with charity and almsgiving particularly on the occasion of the Quattro tempora, (the quarterly Ember days).
Leo drew many learned men about him and chose Prosper of Aquitaine to act in some secretarial or notarial capacity.Leo was a significant contributor to the centralisation of spiritual authority within the Church and in reaffirming papal authority. The bishop of Rome had gradually become viewed as the chief patriarch in the Western church.
On several occasions, Leo was asked to arbitrate disputes in Gaul. Patroclus of Arles (d. 426) had received from Pope Zosimus the recognition of a subordinate primacy over the Gallican Church which was strongly asserted by his successor Hilary of Arles. An appeal from Chelidonius of Besançon gave Leo the opportunity to assert the pope's authority over Hilary, who defended himself stoutly at Rome, refusing to recognize Leo's judicial status. Feeling that the primatial rights of the bishop of Rome were threatened, Leo appealed to the civil power for support and obtained, from Valentinian III, a decree of 6 June 445, which recognized the primacy of the bishop of Rome based on the merits of Peter, the dignity of the city, and the legislation of the First Council of Nicaea; and provided for the forcible extradition by provincial governors of any bishop who refused to answer a summons to Rome.Faced with this decree, Hilary submitted to the pope, although under his successor, Ravennius, Leo divided the metropolitan rights between Arles and Vienne (450).
In 445, Leo disputed with Patriarch Dioscorus, Cyril of Alexandria's successor as Patriarch of Alexandria, insisting that the ecclesiastical practice of his see should follow that of Rome on the basis that Mark the Evangelist, the disciple of Peter the Apostle and the founder of the Alexandrian Church, could have had no other tradition than that of the prince of the apostles.
The fact that the African province of Mauretania Caesariensis had been preserved to the empire and thus to the Nicene faith during the Vandal invasion and, in its isolation, was disposed to rest on outside support, gave Leo an opportunity to assert his authority there. In 446 he wrote to the Church in Mauretania in regard to a number of questions of discipline, stressing the point that laymen were not to be appointed to the episcopate.
In a letter to the bishops of Campania, Picenum, and Tuscany (443) he required the observance of all his precepts and those of his predecessors; and he sharply rebuked the bishops of Sicily (447) for their deviation from the Roman custom as to the time of baptism, requiring them to send delegates to the Roman synod to learn the proper practice.
Because of the earlier line of division between the western and eastern parts of the Roman Empire, Illyria was ecclesiastically subject to Rome. Pope Innocent I had constituted the metropolitan of Thessalonica his vicar, in order to oppose the growing influence of the patriarch of Constantinople in the area. In a letter of about 446 to a successor bishop of Thessalonica, Anastasius, Leo reproached him for the way he had treated one of the metropolitan bishops subject to him; after giving various instructions about the functions entrusted to Anastasius and stressing that certain powers were reserved to the pope himself, Leo wrote: "The care of the universal Church should converge towards Peter's one seat, and nothing anywhere should be separated from its Head."
He succeeded in having an imperial patriarch, Timothy Salophakiolos, and not Timotheus Aelurus, chosen as Coptic Orthodox Pope of Alexandria on the murder of Greek Patriarch Proterius of Alexandria.
Almost 100 sermons and 150 letters of Leo I have been preserved.
At the Second Council of Ephesus in 449, Leo's representatives delivered his famous Tome, a statement of the faith of the Roman Church in the form of a letter addressed to Archbishop Flavian of Constantinople, which repeats, in close adherence to Augustine of Hippo, the formulas of western Christology. The council did not read the letter nor did it pay any attention to the protests of Leo's legates but deposed Flavian and Eusebius of Dorylaeum, who appealed to Rome. That is one reason that the council was never recognized as ecumenical and was later repudiated by the Council of Chalcedon.
It was presented again at the subsequent Council of Chalcedon as offering a solution to the Christological controversies still raging between East and West.
Eutyches, in the beginning of the conflict, appealed to Leo and took refuge with him on his condemnation by Flavian, but on receiving full information from Flavian, Leo took his side decisively. Leo demanded of the emperor that an ecumenical council should be held in Italy, and in the meantime, at a Roman synod in October 449, repudiated all the decisions of the "Robber Synod". In his letters to the emperor and others he demanded the deposition of Eutyches as a Manichaean and Docetic heretic.
The Council of Chalcedon of 451 rejected the heresy of Eutyches who denied the true human nature of the Son of God, and affirmed the union in his one Person, without confusion and without separation, of his two natures, human and divine.
The acts of the council report: "After the reading of the foregoing epistle, the most reverend bishops cried out: This is the faith of the fathers, this is the faith of the Apostles. So we all believe, thus the orthodox believe. Anathema to him who does not thus believe. Peter has spoken thus through Leo. So taught the Apostles. Piously and truly did Leo teach, so taught Cyril. Everlasting be the memory of Cyril. Leo and Cyril taught the same thing, anathema to him who does not so believe. This is the true faith. Those of us who are orthodox thus believe. This is the faith of the fathers. Why were not these things read at Ephesus? These are the things Dioscorus hid away."
Leo firmly declined to confirm their disciplinary arrangements, which seemed to allow Constantinople a practically equal authority with Rome and regarded the civil importance of a city as a determining factor in its ecclesiastical position; but he strongly supported its dogmatic decrees, especially when, after the accession of Leo I the Thracian (457), there seemed to be a disposition toward compromise with the Eutychians.[ citation needed ]
Leo's writings (both the sermons and the letters) are mostly concerned with theological questions concerning the person of Jesus Christ (Christology) and his role as mediator and savior (Soteriology), which is partially connected to the Council of Chalcedon in which Roman legates participated in Leo's name. Subsequently, through numerous letters addressed to bishops and members of the imperial family, Leo incessantly worked for the propagation and universal reception of the faith in Christ as defined by Chalcedon, also in the eastern part of the Roman empire. Leo defends the true divinity and the true humanity of the one Christ against heretical one-sidedness. He takes up this topic also in many of his sermons, and over the years, he further develops his own original concepts. A central idea around which Leo deepens and explains his theology is Christ's presence in the Church, more specifically in the teaching and preaching of the faith (Scripture, Tradition and their interpretation), in the liturgy (sacraments and celebrations), in the life of the individual believer and of the organized Church, especially in a council.
To Leo the Great, Mariology is determined by Christology. If Christ were divine only, everything about him would be divine. Only his divinity would have been crucified, buried and resurrected. Mary would only be the mother of God, and Christians would have no hope for their own resurrection. The nucleus of Christianity would be destroyed.The most unusual beginning of a truly human life through her was to give birth to Jesus, the Lord and Son of King David.
Leo assumed the papacy at a time of increasing barbarian invasions; this, coupled with the decreasing imperial authority in the West, forced the Bishop of Rome to take a more active part in civic and political affairs. He was one of the first bishops of Rome to promote papal primacy based on succession from Peter the Apostle; and he did so as a means of maintaining unity among the churches.
Besides recourse to biblical language, Leo also described his own special relationship with Peter in terms derived from Roman law. He called himself the (unworthy) heir and deputy (vicarius) of Peter, having received his apostolic authority and being obliged to follow his example. On the one hand, Peter stood before him with a claim on how Leo is to exercise his office; on the other hand, Leo, as the Roman bishop, represented the Apostle, whose authority he held. Christ, however, always comes out as the source of all grace and authority, and Leo is responsible to him for how he fulfilled his duties (sermon 1). Thus, the office of the Roman bishop, was grounded on the special relationship between Christ and Peter, a relationship that cannot be repeated per se; therefore, Leo depended on Peter's mediation, his assistance and his example in order to be able to adequately fulfill his role and exercise his authority as the Bishop of Rome, both in the city and beyond.[ citation needed ]
Despite his defeat at the Battle of Chalons in 451, Attila invaded Italy in 452, sacking cities such as Aquileia and heading for Rome. He allegedly demanded that the sister of the reigning Emperor Valentinian III be sent to him with a dowry. In response, the emperor sent three envoys to negotiate with Attila: Gennadius Avienus, one of the consuls of 450, Memmius Aemilius Trygetius, the former urban prefect, and Leo. Little is known of the specifics of the negotiations, as a result of which Attila withdrew. Most ancient and medieval historians celebrated Leo's actions, giving him all the credit for this successful embassy. According to Prosper of Aquitaine who was alive at the time of the event, Attila was so impressed by Leo that he withdrew.Another near-contemporary was the historian Priscus who records that Attila was dissuaded from attacking Rome by his own men because they feared he would share the fate of the Visigothic king Alaric, who died shortly after sacking the city in 410. Paul the Deacon, in the late 8th century, relates that an enormously huge man dressed in priestly robes and armed with a sword, visible only to Attila, threatened him and his army with death during his discourse with Leo, and this prompted Attila to submit to his request.
More modern historians debate other possible reasons for Attila's sudden withdrawal. The pope may have offered Attila a large sum of gold or Attila may have had logistical and strategic concerns: an army probably laden with booty from plunder; a plague in northern Italy; food shortages; military actions of the Eastern Emperor Marcianus on the Danube frontier. Besides, the whereabouts of Aëtius at that time are unknown, and Attila or his warriors may have felt endangered by their arch-enemy from the Catalaunian plains.
Writing in the early 20th century, John B. Bury remarked:
The fact of the embassy cannot be doubted. The distinguished ambassadors visited the Hun's camp near the south shore of Lake Garda. It is also certain that Attila suddenly retreated. But we are at a loss to know what considerations were offered him to induce him to depart. It is unreasonable to suppose that this heathen king would have cared for the thunders or persuasions of the Church. The Emperor refused to surrender Honoria, and it is not recorded that money was paid. A trustworthy chronicle hands down another account which does not conflict with the fact that an embassy was sent, but evidently furnishes the true reasons which moved Attila to receive it favourably. Plague broke out in the barbarian host and their food ran short, and at the same time troops arrived from the east, sent by Marcian to the aid of Italy. If his host was suffering from pestilence, and if troops arrived from the east, we can understand that Attila was forced to withdraw. But whatever terms were arranged, he did not pretend that they meant a permanent peace. The question of Honoria was left unsettled, and he threatened that he would come again and do worse things in Italy unless she were given up with the due portion of the Imperial possessions.
Leo's intercession could not prevent the sack of the city by the Vandal King Genseric in 455, but murder and arson were repressed by his influence. The Pope and members of his clergy, went to meet the invader to implore him to desist. While the Vandals plundered the city, the gesture nevertheless prevented Rome from being burned and assured that the Basilicas of St Peter, St Paul and St John, in which part of the terrified population sought refuge, were spared.
Leo did, however, assist in rebuilding the city of Rome, restoring key places such as Saint Peter's.
In his In Nativitate Domini, Christmas Day, sermon, "Christian, remember your dignity", Leo articulates a fundamental dignity common to all Christians, whether saints or sinners, and the consequent obligation to live up to it:
Our Saviour, dearly-beloved, was born today: let us be glad. For there is no proper place for sadness, when we keep the birthday of the Life, which destroys the fear of mortality and brings to us the joy of promised eternity. No one is kept from sharing in this happiness. There is for all one common measure of joy, because as our Lord the destroyer of sin and death finds none free from charge, so is He come to free us all. Let the saint exult in that he draws near to victory. Let the sinner be glad in that he is invited to pardon. Let the gentile take courage in that he is called to life...
Let us put off then the old man with his deeds: and having obtained a share in the birth of Christ let us renounce the works of the flesh. Christian, acknowledge thy dignity, and becoming a partner in the Divine nature, refuse to return to the old baseness by degenerate conduct. Remember the Head and the Body of which thou art a member. Recollect that thou wert rescued from the power of darkness and brought out into God’s light and kingdom. By the mystery of Baptism thou wert made the temple of the Holy Ghost: do not put such a denizen to flight from thee by base acts, and subject thyself once more to the devil’s thraldom: because thy purchase money is the blood of Christ, because He shall judge thee in truth Who ransomed thee in mercy, who with the Father and the Holy Spirit reigns for ever and ever. Amen.
Leo died on 10 November 461 and, as he wished to be buried as close as possible to the tomb of St Peter, his body was placed in a tomb in the portico of Saint Peter's basilica. In 688 his remains were moved inside the basilica itself.[ citation needed ]
Pope Benedict XVI said that Leo's papacy "...was undoubtedly one of the most important in the Church's history."
The significance of Leo's pontificate lies in his assertion of the universal jurisdiction of the Roman bishop, as expressed in his letters, and still more in his 96 extant orations. This assertion is commonly referred to as the doctrine of Petrine supremacy.
According to Leo and several Church Fathers as well as certain interpretations of the Scriptures, the Church is built upon Peter, in pursuance of the promise of Matthew 16:16–19. Peter participates in everything which is Christ's; what the other apostles have in common with him they have through him. What is true of Peter is true also of his successors. Every other bishop is charged with the care of his particular flock, the Roman pontiff with that of the whole Church. Other bishops are his assistants in this great task. In Leo's eyes the decrees of the Council of Chalcedon acquired their validity from his confirmation.
Leo's letters and sermons reflect the many aspects of his career and personality and are invaluable historical sources. His rhythmic prose style, called cursus leonicus, influenced ecclesiastical language for centuries.
In 1754 Pope Benedict XIV proclaimed Leo I a Doctor of the Church.Next to Leo only one other pope, Gregory, is also recognized as Doctor of the Church.
The Catholic Church marks 10 November as the feast day of Saint Leo, given in the Martyrologium Hieronymianum and the 8th-century Calendar of Saint Willibrord as the date of his death and entry to heaven. His feast was once celebrated in Rome on 28 June, the anniversary of the placing of his relics in Saint Peter's Basilica, but in the 12th century, the Gallican Rite feast of 11 April was admitted to the General Roman Calendar, which maintained that date until 1969.Some traditionalist Catholics continue to observe pre-1970 versions of that calendar.
The Eastern Catholic Churches as well as the Eastern Orthodox Church celebrate Saint Leo on 18 February.
Troparion (Tone 3)
Troparion (Tone 8)
Kontakion (Tone 3)
The Chalcedonian Definition is a declaration of Christ's nature, adopted at the Council of Chalcedon in AD 451. Chalcedon was an early centre of Christianity located in Asia Minor. The council was the fourth of the Ecumenical Councils that are accepted by Chalcedonian churches which include the Eastern Orthodox, Roman Catholic, and most Protestant churches. It was the first council not to be recognised by any Oriental Orthodox church; for this reason these churches may be classified as Non-Chalcedonian.
The Council of Chalcedon was a church council held from 8 October to 1 November, 451, at Chalcedon, a town of Bithynia in Asia Minor. The Council was called by Emperor Marcian to set aside the 449 Second Council of Ephesus. Its principal purpose was to assert the orthodox catholic doctrine against the heresy of Monophysitism and Eutyches, although ecclesiastical discipline and jurisdiction also occupied the council's attention.
The Coptic Orthodox Church of Alexandria is an Oriental Orthodox Christian church based in Egypt, Africa and the Middle East. The head of the Church and the See of Alexandria is the Patriarch of Alexandria on the Holy See of Saint Mark, who also carries the title of Coptic Pope. The See of Alexandria is titular, and today the Coptic Pope presides from Saint Mark's Coptic Orthodox Cathedral in the Abbassia District in Cairo. The church follows the Alexandrian Rite for its liturgy, prayer and devotional patrimony. With approximately 10 million members worldwide, it is the country's largest Christian church.
The First Council of Constantinople was a council of Christian bishops convened in Constantinople in AD 381 by the Roman Emperor Theodosius I. This second ecumenical council, an effort to attain consensus in the church through an assembly representing all of Christendom, except for the Western Church, confirmed the Nicene Creed, expanding the doctrine thereof to produce the Niceno-Constantinopolitan Creed, and dealt with sundry other matters. It met from May to July 381 in the Church of Hagia Irene and was affirmed as ecumenical in 451 at the Council of Chalcedon.
Chalcedonian Christianity refers to the Christian denominations adhering to the christological definitions and ecclesiological resolutions of the Council of Chalcedon, the Fourth Ecumenical Council held in 451. Chalcedonian Christians follow the Definition of Chalcedon, a religious doctrine concerning the divine and human natures of Jesus Christ. The great majority of Christian communions and confessions in the 21st century are Chalcedonian, but from the 5th to the 8th centuries the ascendancy of Chalcedonian Christology was not always certain.
Patriarch of Antioch is a traditional title held by the bishop of Antioch. As the traditional "overseer" of the first gentile Christian community, the position has been of prime importance in Pauline Christianity from its earliest period. This diocese is one of the few for which the names of its bishops from the apostolic beginnings have been preserved. Today five churches use the title of patriarch of Antioch: the Syriac Orthodox Church, the Greek Orthodox Church of Antioch, the Syriac Catholic Church, the Melkite Greek Catholic Church, and the Maronite Church. Historically, there has also been a Latin patriarch of Antioch.
Papal primacy, also known as the primacy of the bishop of Rome, is a Christian ecclesiological doctrine concerning the respect and authority that is due to the pope from other bishops and their episcopal sees.
Nicene Christianity is a set of Christian doctrinal traditions which reflect the Nicene Creed, which was formulated at the First Council of Nicaea in AD 325 and amended at the First Council of Constantinople in AD 381.
Miaphysitism is the Christological doctrine upheld by the Oriental Orthodox Churches, who include the Coptic Orthodox Church of Alexandria, the Syriac Orthodox Church and the Armenian Apostolic Church. Rather than using the wording established at the Council of Chalcedon (451) that Jesus is one "person" in two "natures", a divine nature and a human nature, they hold that Jesus, the “Incarnate Word, is fully divine and fully human, in one physis. In modern times, these differences are considered to be in word rather than in belief.
Papal supremacy is the doctrine of the Catholic Church that the Pope, by reason of his office as Vicar of Christ and as the visible foundation and source of unity, and as pastor of the entire Catholic Church, has full, supreme, and universal power over the whole Church, a power which he can always exercise unhindered: that, in brief, "the Pope enjoys, by divine institution, supreme, full, immediate, and universal power in the care of souls."
The Scythian monks were a community of monks from the region around the mouths of the Danube, who played an influential role in Christian theological disputes between the 4th and 6th centuries. The name Scythian comes from Scythia Minor, the classical name of the modern Dobruja region in Romania and Bulgaria, at the time a Roman province. The monks were raised not only from local Christian elements, but also from immigrant Christians who came to live ascetic lives.
Coptic history is part of history of Egypt that begins with the introduction of Christianity in Egypt in the 1st century AD during the Roman period, and covers the history of the Copts to the present day. Many of the historic items related to Coptic Christianity are on display in many museums around the world and a large number is in the Coptic Museum in Coptic Cairo.
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Catholic ecumenical councils include 21 councils over a period of some 1900 years. While definitions changed throughout history, in today's Catholic understanding ecumenical councils are assemblies of Patriarchs, Cardinals, residing Bishops, Abbots, male heads of religious orders and other juridical persons, nominated by the Pope. The purpose of an ecumenical council is to define doctrine, reaffirm truths of the Faith, and extirpate heresy. Council decisions, to be valid, are approved by the popes. Participation is limited to these persons, who cannot delegate their voting rights.
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The doctrine of the primacy of the Roman Bishops, like other Catholic Church teachings and instructions, has gone through a development. Thus the establishment of the Primacy recorded in the Gospels has been gradually more clearly recognized and its implications developed. Clear recognition of the consciousness of the Primacy of the Roman Bishops, and of the recognition of the Primacy by the other churches appear at the end of the 1st century…St. Ignatius elevated the Roman community over all the communities using in his epistle a solemn form of address. Twice he says of it that it is the presiding community, which expresses a relationship of superiority and inferiority.
The Oriental Orthodox Churches are a group of Christian churches adhering to miaphysite Christology and theology, and together have about 62 million members worldwide.
In the 5th century in Christianity, there were many developments which led to further fracturing of the State church of the Roman Empire. Emperor Theodosius II called two synods in Ephesus, one in 431 and one in 449, that addressed the teachings of Patriarch of Constantinople Nestorius and similar teachings. Nestorius had taught that Christ's divine and human nature were distinct persons, and hence Mary was the mother of Christ but not the mother of God. The Council rejected Nestorius' view causing many churches, centered on the School of Edessa, to a Nestorian break with the imperial church. Persecuted within the Roman Empire, many Nestorians fled to Persia and joined the Sassanid Church thereby making it a center of Nestorianism. By the end of the 5th century, the global Christian population was estimated at 10-11 million. In 451 the Council of Chalcedon was held to clarify the issue further. The council ultimately stated that Christ's divine and human nature were separate but both part of a single entity, a viewpoint rejected by many churches who called themselves miaphysites. The resulting schism created a communion of churches, including the Armenian, Syrian, and Egyptian churches, that is today known as Oriental Orthodoxy. In spite of these schisms, however, the imperial church still came to represent the majority of Christians within the Roman Empire.
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The history of Eastern Orthodox Christian theology begins with the life of Jesus and the forming of the Christian Church. Major events include the Chalcedonian schism with the Oriental Orthodox miaphysites, the Iconoclast controversy, the Photian schism, the Great Schism between East and West, and the Hesychast controversy. The period after the Second World War saw a re-engagement with the Greek, and more recently Syriac, Fathers that included a rediscovery of the theological works of St. Gregory Palamas, which has resulted in a renewal of Orthodox theology in the 20th and 21st centuries.
The Eastern Orthodox Church is opposed to the Roman Catholic doctrine of papal supremacy. While not denying that some form of primacy could exist for the Bishop of Rome, Orthodox Christians argue that the tradition of Rome's primacy in the early Church was not equivalent to the current doctrine of supremacy.
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