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Early Christianity is commonly defined as the Christianity of the three centuries between the Crucifixion of Jesus (c. 30) and the First Council of Nicaea (325). It began within first-century Judaism with the followers of James the Just, became clearly distinct from Rabbinic Judaism. It continued to revere the Hebrew Bible, generally using the Septuagint translation that was in general use among Greek-speaking Jews and Gentile Godfearers, or the Targums in use among Aramaic speakers, and added to it the writings that would become the New Testament, thus developing the first Christian Biblical canons. It defended Christian beliefs against criticism by non-Christian Jews and followers of other Roman religions, survived various persecutions, consisted of divisions that accused each other of heresy, and developed church hierarchy. What started as a religious movement within Second Temple Judaism became, by the end of this period, the favored religion of the Roman Empire under Constantine the Great (leading later to the rise of Christendom), and a significant religion also outside of the empire. According to Will Durant, the Christian Church prevailed because it offered an attractive doctrine and because the church leaders addressed human needs better than their rivals. The First Council of Nicaea marks the end of this era and the beginning of the period of the first seven Ecumenical Councils (325 - 787).

According to the Acts of the Apostles, the church was first centered in Jerusalem. Jesus' brother James was martyred, the Temple was destroyed, and Jews were banned from the city after the Bar Kokhba revolt, weakening the Jerusalem Church. Churches of the eastern part of the empire, notably in Alexandria and Antioch, used Greek and developed Hellenistic theologies. Churches of the western part of the empire eventually took to using Latin and excelled at the Roman virtues of discipline and rule.


Jesus and most of his original followers were Jews or Jewish proselytes. According to many historians, these first followers viewed Jesus as a charismatic preacher and healer, who prophesized the imminent restoration of God's kingdom on earth. Some of the first followers of Jesus composed a sect of first-century Judaism marked by their belief in Jesus' prophecy, and other teachings of his; according to Christian theology, they more specifically believed that Jesus of Nazareth was the long-awaited Messiah (Acts 2:22-36), and that the Kingdom of God had come or would soon come, in fulfilment of expectation (Acts 19:8).

Practice among the groups that followed Jesus included those who were strictly Jewish, including the Church leaders in Jerusalem, and those strongly attracted to Jewish belief. This movement was centered around Jerusalem and led by James the Just. The Acts of the Apostles asserts "All the believers were united and shared everything with one another.They made it their practice to sell their possessions and goods and to distribute the proceeds to anyone who was in need." They held faithfully to the Torah and Jewish law which included acceptance of Gentile converts based on what appears to be a version of the Noachide laws (Acts 15 and Acts 21). In Christian circles, "Nazarene" later came to be used as a label for those faithful to Jewish law, in particular for a certain sect. These Jewish Christians, originally a central group in Christianity, were not at first declared to be unorthodox, but were later excluded and denounced, as Judaizers. Some Jewish Christian groups, such as the Ebionites, were considered to have unorthodox beliefs, particularly in relation to their views of Christ and Gentile converts. The Nazarenes, holding to orthodoxy except in their adherence to Jewish law, were not deemed heretical until the dominance of orthodoxy in the fourth century. The Ebionites may have been a splinter group of Nazarenes, with disagreements over Christology and leadership. After the condemnation of the Nazarenes, "Ebionite" was often used as a general pejorative for all related "heresies". At the other extreme were Marcionists who rejected all things Jewish.

Jewish Christians eventually constituted a separate community from the Pauline Christians and that they remained part of the Jewish community. There was a post-Nicene "double rejection" of the Jewish Christians by both Gentile Christianity and Rabbinic Judaism. It is believed that there was no direct confrontation, or persecution, between Gentile and Judaic Christianity. However, by this time the practice of Judeo-Christianity was diluted, both by internal schisms and external pressures. The traditional understanding is that the original Jewish Christianity continued until the fifth century, after which there are no more references to Jewish followers of the Jesus movement. Those remaining fully faithful to Halacha became purely Jews, while those adhering to the Christian faith joined with Gentile, Graeco-Roman, Pauline Christianity. Gentile Christianity remained the sole strand of orthodoxy and imposed itself on the previously Jewish Christian sanctuaries, taking full control of those houses of worship by the end of the fifth century. Yet, even today, there are Christian groups that claim to be Contemporary Jewish Christians.

The apostolic period between the years 30 and 130 AD produced writings attributed to the direct followers of Jesus Christ, and is traditionally associated with the apostles and apostolic times. In the traditional history of the Christian church, the Apostolic Age was the foundation upon which the entire church's history came to be based.

The Desposyni (relatives of Jesus) lived in Nazareth during the first century. The relatives of Jesus were accorded a special position within the early church, as displayed by the leadership of James in Jerusalem.

Earliest Christianity took the form of a Jewish eschatological faith. The book of Acts reports that the early followers continued daily Temple attendance and traditional Jewish home prayer. Other passages in the New Testament gospels reflect a similar observance of traditional Jewish piety such as fasting, reverence for the Torah and observance of Jewish holy days. The earliest form of Jesus's religion is best understood in this context.

Disputes over the Mosaic law generated intense controversy in early Christianity. This is particularly notable in the mid-1st century, when the circumcision controversy came to the fore. The issue was addressed at the Council of Jerusalem where the apostle Paul made an argument that circumcision was not a necessary practice, vocally supported by Peter, as documented in Acts 15. This position received widespread support and was summarized in a letter circulated in Antioch. Yet, four years after the Council of Jerusalem, Paul had to write to the Galatians about the issue, which had become a serious controversy in their region. According to Alister McGrath, a proponent of Paleo-orthodoxy, Paul considered it a great threat to his doctrine of salvation through faith and addressed the issue with great detail in Galatians 3.

The "Twelve Apostles", and Paul the Apostle who called himself the "Apostle to the Gentiles", also gained converts among the gentiles (non-Jews), following the Great Commission's decree to "go and make disciples of all nations". The leaders of the church affirmed Paul's mission to the Gentiles at the Council of Jerusalem, c 49. Paul met with great success preaching to Gentiles, and Gentiles became an increasingly large part of the Christian population. In Galatians 2:11-14 (the "Incident at Antioch") Paul portrays Peter as impeding his efforts. The author of Acts portrays Paul as a torah-observant Jew and does not mention this dispute with Peter. Also, in Acts 11:1-18, it is Peter who first actively welcomes Gentiles into the Church, and in Acts 15 it is Peter who argues the gentile case at the Council of Jerusalem (for the parallel in Judaism, see Noachide law, for the parallel in modern Christianity, see Dual-covenant theology).

Some modern scholars challenge the prevailing view, that first century Judaism was a religion of legalistic works-righteousness that Paul opposed, suggesting what they call a New Perspective on Paul; James D. G. Dunn, who coined this phrase, has proposed that Peter was the "bridge-man" (literally the "pontifex maximus") between the two other "prominent leading figures": Paul and James the Just.

Supersessionists see the Destruction of the Temple in 70 AD as symbolic of God's rejection of Judaism and initiation of the New Covenant, see also Figs in the Bible. Orthodox Judaism on the other hand remains optimistic that their covenant with God is eternal despite numerous calamities, and a Third Temple will be built on the Temple Mount.
Historically, after the First Jewish–Roman War of 66-73 and the destruction of the Temple, two sects of Jews and Jewish proselytes remained, the Pharisees, which developed into Rabbinic Judaism, and Christians, both of which developed into distinct religions.

While it is commonly believed that Paul established a Gentile church, it took centuries for a complete break to be established, and in any case, gentiles had long been attracted to the Jewish scriptures, see proselytes and Godfearers. Certain events are perceived as pivotal in the growing rift between Christianity and Judaism. The first break may have been the Council of Jerusalem of around 50. Among other things, this council decreed male circumcision optional for gentile converts whereas Rabbinic Judaism made their circumcision requirement even stricter. During the First Jewish–Roman War, the Sanhedrin was reconstituted in Yavne with the permission of the Romans. Commonly called the Council of Jamnia, they added a new blessing to the Jewish liturgy, circa 85: the "birkat ha-minim"; which condemns "minim". Some interpret this word to refer specifically to Christianity; others interpret it as referring to Jewish sectarianism in general. It is probable that this condemnation included many groups, of which the Christians were but one. That some of the later Church fathers only recommended against synagogue attendance makes it improbable that an anti-Christian prayer was a common part of the synagogue liturgy. Jewish Christians continued to worship in synagogues for centuries. There is a paucity of evidence for Jewish persecution of "heretics" in general, or Christians in particular, in the period between 70 and 135. But, according to historian Paula Fredriksen, it is likely that Jewish authorities would have persecuted any Jews preaching the restoration of God's kingdom, or the return of the messiah, following the disastrous war of 67-70, for fear of provoking renewed Roman wrath against sedition.




Jews who did not convert to Christianity and the growing Christian community gradually became more hostile toward each other, see also List of events in early Christianity, Responsibility for the death of Jesus, and Tarfon. Christianity established itself as a predominantly Gentile religion that spanned the Roman Empire and beyond, eventually leading to an attempt to create a unified Christendom during the period of the Seven Ecumenical Councils.

The Bar Kokhba Revolt (132 - 135) created a large rift between Judaism and Jewish Christians. Simon bar Kokhba was recognized as the Jewish Messiah by Rabbi Akiva. The Christians, believing Jesus to be their Messiah, rejected Bar Kokhba and refused to join the revolt. The revolution turned against the Jewish Christians and some were killed. The failure of the revolt had serious consequences. Jews and Jewish Christians were barred entry into Jerusalem, leaving the church in Jerusalem without a Jewish identity. Many historians believe this revolt was the most notable event in the split between Judaism and Christianity.

According to The Oxford Dictionary of the Christian Church, Paul's letters are rhetorically powerful and theologically profound, and, against his own wishes, his understanding of what he called "the good news" hastened the separation between the messianic sect and mainstream Judaism. Many scholars view his epistles as the foundation of Christian theology. Paul's emphasis on the Law's insufficiency, the superiority of faith, and the Gentile Christian's freedom from the Law were decisive in the future development of the new religion.

The First Epistle to the Corinthians, generally considered to have been authored by Paul, identifies Jesus as establishing a New Covenant with his flesh and blood (1 Cor 11:23-25), the bread and wine of the Eucharist. The New Covenant also appears in Luke 22:20 though not in all copies and is primarily discussed in the Epistle to the Hebrews which is generally considered anonymous. The previous covenant was that of Moses, called the Mosaic Covenant (see also Biblical law in Christianity and Supersessionism).

The first Christians used the same scriptures and religious writings as the Jews. The rabbis, however, rejected the Septuagint translation, which included the books that some Christians (Catholics) now designate as deuterocanonical books and others (Protestants) as biblical apocrypha.

Perhaps as early as the early second century, some Christians (notably Justin Martyr) began to accept early Christian texts as additional scripture. By the first century, Paul's letters and the separate Gospels were circulating among Christian communities. In the second century, the last books of the New Testament were written, Paul's letters were referred to as scripture, the four canonical Gospels were asserted by Irenaeus, and other epistles were also accepted as canon. By 325, the Church had roughly the same New Testament in use in the East and West, but the details were still disputed.

Christian groups such as Ebionites that insisted on circumcision and other aspects of Jewish law were increasingly disparaged as Judaizers, especially after the 3rd century.

Some early Christian groups went further than others in distancing themselves from Judaism and Judaizers. Marcion (d. 160) rejected the Old Testament altogether, saying that its God of Law had nothing to do with Jesus Christ's God of Love. Gnostic groups, though they generally did not reject the Old Testament, also commonly identified the Old Testament's God as the Demiurge (see also Dualism), the evil or lesser god of the material world (as contrasted with the superiority of the spiritual world).

Early Christian beliefs were based on the apostolic preaching (kerygma), considered to be preserved in tradition and, according as was produced, in New Testament scripture.

Most Christians identified Jesus as divine from a very early period, although holding a variety of competing views as to what exactly this implied. Early Christian views tended to see Jesus as a unique agent of God; by the Council of Nicaea in 325 he was identified as God in the fullest sense, literally 'of the same substance, essence or being', hence in the further wording of the Creed, "Θεόν αληθινόν εκ Θεού αληθινού" Theón alēthinón ek Theoú alēthinoú 'true God from true God'.

The first and second-century texts that would later be canonized as the New Testament several times imply or directly refer to Jesus' divinity, though there is scholarly debate as to whether or not they call him God. Within 20-30 years of the death of Jesus, Paul, who authored the largest early expositions of Christian theology, refers to Jesus as the resurrected Son of God, the savior who would return from heaven and save his faithful, dead and living, from the imminent destruction of the world. The Synoptic Gospels describe him as the Son of God, who was born of the Virgin Mary by the agency of the Holy Spirit, and who will return to judge the nations. The Gospel of John identifies Jesus as the human incarnation of the divine Word or "Logos" (see Jesus the Logos) and True Vine. The Book of Revelation depicts Jesus as the "Alpha and Omega, the first and the last", who died and now lives for ever and who holds the keys of death and Hades, and as the Alpha and Omega who is to come soon. The book speaks of those who had been beheaded for the testimony of Jesus and for the word of God as reigning with him for a thousand years before the final defeat of Satan and the Judgement at the Great White Throne.

The term "Logos" was used in Greek philosophy (see Heraclitus) and in Hellenistic Jewish religious writing (see Philo Judaeus of Alexandria) to mean the ultimate ordering principle of the universe. Those who rejected the identification of Jesus with the Logos, rejecting also the Gospel of John, were called Alogi (see also Monarchianism).

Adoptionists, such as the Ebionites, considered him as at first an ordinary man, born to Joseph and Mary, who later became the Son of God at his baptism, his transfiguration, or his resurrection.

The Trinity is a post-New Testament doctrine. However, the Father, Son, and Holy Spirit are associated in various New Testament passages. The Great Commission of Matthew 28:19 possibly reflects the baptismal practice at Matthew's time. Baptism has been in the name of the Father, Son, and Holy Ghost since the end of the first century. Acts 2:38 speaks of baptism "in the name of Jesus Christ", which some interpret as another method of baptism, while others do not, since "in the name of" is used elsewhere in Acts to mean not a form of words but "by the authority of", "for the sake of". Aside from this verse, Matthew does not equate Jesus with God nor does he specify inequality either, though he indicates a special relationship between them. One of the elements virtually universal among diverse early Christians was the understanding that Jesus the Son was uniquely united with God the Father.
According to the Eastern Orthodox tradition, the Trinity was revealed to the disciples by revelation and in religious visions called theoria during the Theophany and the Transfiguration of Jesus called the Tabor Light or uncreated light.

The close of the early Christian era is defined as the First Council of Nicea, which gave the trinity its dogmatic form. But the term trinity (coined by Tertullian) and concepts related to the trinity existed earlier in the church. The phrase "Father, Son, and Holy Spirit" became common, especially at baptism. Another trinitarian formula, "Glory to the Father, through the Son, in the Holy Spirit," was common even before the Arian controversy. However, this earlier formula does not express the co-equality of the three persons.

The Council used the Greek term homoousios (literally "of the same substance, essence or being") to express its view of the relation of the Son to the Father. However, it also appears in the early Christian era as used by Origen, Paul of Samosata, and Alexander of Alexandria though not without controversy, see for example Synods of Antioch. Various Christian writings refer to Jesus as a man and as God, but it was this Council that gave official sanction to the common Trinity formulation using this term.

Many, including Oneness Pentecostals and some Restorationists, styling themselves as restoring early Christian practice, reject the trinitarian concepts of the early church, and generally place no importance in the post-apostolic writings of the Church Fathers on the subject. (See below in the discussion on the Church Fathers.)

The Apostles believed that Jesus would soon return to establish the Kingdom of Heaven on earth. The general term for this set of beliefs is parousia (or Second Coming).

Among early Christians there was a widely accepted belief that Christ's return would establish not the general resurrection but a thousand-year kingdom, with the general resurrection following (a belief known as chiliasm or premillenialism). Chapter 20 of the Book of Revelation is the main source of this teaching, though it may owe something to the Book of Daniel and to ideas popular in late pre-Christian Jewish apocalyptic literature, especially 2 Esdras and the non-canonical Books of Enoch.

Early Christians followed the Pharisaic precedent of believing in a physical resurrection of the dead. They believed that the saved received various divine rewards corresponding to their holiness. While all the saved would gain eternal life in Christ, not all of the saved would live in heaven.

Apologists defended the resurrection of the dead against pagan philosophers, who considered the soul worthy of perfection but not the body. Origen, however, who attempted to synthesise Platonism and Christianity, appears to have supported the idea of an ethereal rather than corporeal resurrection.

The ancient Jewish picture was of the sky as a firmament, a dome covering the earth. But the prevailing picture in early Christian times was that of the earth as a sphere with one or more other spheres, containing the stars, rotating around it. They sometimes described the souls of the dead waiting underground for the general resurrection. They described gehenna (roughly, hell) as a subterranean fire, see also Lake of Fire. In some Hellenic traditions, influential in the Alexandrian church, souls escaped the material world of the earth and returned to the spirit realm above.

The Encyclopaedia Britannica states: "The well-attested early Christian practice of prayer for the dead ... was encouraged by the episode (rejected by Protestants as apocryphal) in which Judas Maccabeus (Jewish leader of the revolt against the tyrant Antiochus IV Epiphanes) makes atonement for the idolatry of his fallen soldiers by providing prayers and a monetary sin offering on their behalf (2 Maccabees 12:41–46); by the Apostle Paul's prayer for Onesiphorus (2 Timothy 1:18); and by the implication in Matthew 12:32 that there may be forgiveness of sins in the world to come."

That early Christians prayed for the dead, believing that the dead were thereby benefitted, is attested since at least the second-century inscription of Abercius, and celebration of the Eucharist for the dead is attested since at least the third century. Specific examples of belief in the communion of the living with the dead through prayer are found in many of the Church Fathers.

The Greek word "Hades", which, like the Hebrew word "sheol", is generally used of the abode where the dead are reckoned to be, appears several times in the New Testament. In the parable of the rich man and poor Lazarus (Luke 16:19-31), the dead rich man "in Hades" (16:23), speaks of being "tormented in this flame" (16:24), and is said to be separated by a "great gulf" from Abraham (16:26), in whose bosom Lazarus is said to be placed (16:22). The word "Hades" was used in Acts 2:27-31 (as in the Septuagint) to translate the word "sheol" of the Hebrew text of the Psalm there quoted.

Early Church Fathers who wrote in Greek, such as Hippolytus of Rome in his book on Hades, continued to use the term "Hades". Early Christian writers in Latin also used either the Greek word "Hades" itself or employed as its equivalent the Latin word "infernus", the Roman word for the underworld,[68] as Jerome did in his translation of the New Testament.

Early Christians understood angels to be active in supporting the church and Satan to be actively opposed to it. Hippolytus, for example, recounts angels physically scourging the first antipope to force him to repent. Christian writers commonly saw Satan (or Beelzebub, see Mark 3) as the author of heresies. In John 8:44, Satan, rather than Abraham, is named as the father of those Jews who rejected Jesus. See also Rejection of Jesus.

The word "angel" is derived from Greek ἄγγελος, the basic meaning of which is "messenger". Visitations from the "angel of the LORD" in the Old Testament are taken by many to be pre-Incarnation manifestations of Christ.

Accordingly, Justin Martyr spoke of Christ as "King, and Priest, and God, and Lord, and angel, and man, and captain, and stone, and a Son born, and first made subject to suffering, then returning to heaven, and again coming with glory, and He is preached as having the everlasting kingdom". He interpreted as Christ the Angel who spoke with Abraham in Genesis 18, and argued for the divinity of Christ.

Traditionally, orthodoxy and heresy have been viewed in relation to the "orthodoxy" as an authentic lineage of tradition. Other forms of Christianity were viewed as deviant streams of thought and therefore "heterodox", or heretical. This view was dominant until the publication of Walter Bauer's Rechtgläubigkeit und Ketzerei im ältesten Christentum ("Orthodoxy and heresy in ancient Christianity") in 1934. Bauer endeavored to rethink early Christianity historically, independent from the views of the church. He stated that the early church was very diverse and included many "heretical" groups that had an equal claim to apostolic tradition. Bauer interpreted the struggle between the orthodox and heterodox to be the "mainstream" Roman church struggling to attain dominance. He presented Edessa and Egypt as places where the "orthodoxy" of Rome had little influence during the second century. As he saw it, the theological thought of the Orient at the time would later be labeled "heresy". The response by modern scholars has been mixed. Some scholars clearly support Bauer's conclusions and others express concerns about his possible bias. More moderate responses have become prominent and Bauer's theory is generally accepted. However, modern scholars have critiqued and updated Bauer's model.

Perhaps one of the most important discussions among scholars of early Christianity in the past century is to what extent it is appropriate to speak of "orthodoxy" and "heresy". Higher criticism drastically altered the previous perception that heresy was a very rare exception to the orthodoxy. Bauer was particularly influential in the reconsideration of the historical model. During the 1970s, increasing focus on the effect of social, political and economic circumstances on the formation of early Christianity occurred as Bauer's work found a wider audience. Some scholars argue against the increasing focus on heresies. A movement away from presuming the correctness or dominance of the orthodoxy is seen as understandable, in light of modern approaches. However, they feel that instead of an even and neutral approach to historical analysis that the heterodox sects are given an assumption of superiority over the orthodox movement. The current debate is vigorous and broad. While it is difficult to summarize all current views, general statements may be made, remembering that such broad strokes will have exceptions in specific cases.

One conception about Jesus that was found among second and third-century Christians was that which Adolf von Harnack called "Adoption Christology": Jesus was regarded as "the man whom God hath chosen, in whom the Deity or the Spirit of God dwelt, and who, after being tested, was adopted by God and invested with dominion". This stream in early Greek theology regarded Christ as a man gifted with divine powers. First represented by the Ebionites, it was later developed by the Monarchians, such as Theodotus of Byzantium and Paul of Samosata. It conflicted with the tradition, as in the Gospel of John, that Jesus is the eternal Logos.

Arianism was the principal heresy which denied the full divinity of Jesus Christ, and is so called after its author Arius. It has been called the most challenging heresy in the history of the Church.
Arius, born probably in Libya between c. 260 and 280, was ordained a priest in Alexandria in 312-313. Under Bishop Alexander (313-326), probably in about 319, he came forward as a champion of subordinationist teaching about the person of Christ.
Arius appears to have held that the Son of God was not eternal but created by the Father as an instrument for creating the world and therefore not God by nature, different from other creatures in being the one direct creation of God. The controversy quickly spread, with Arius seeking support from other disciples of his teacher Lucian of Antioch, notably Eusebius of Nicomedia, while a synod under Alexander excommunicated Arius. Because of the agitation aroused by the dispute, Emperor Constantine I sent Hosius of Córdoba to Alexandria to attempt a settlement; but the mission failed. Accordingly, in 325, Constantine convened the First Council of Nicaea, which, largely through the influence of Athanasius of Alexandria, then a deacon, but destined to be Alexander's successor, defined the Catholic faith in the coeternity and coequality of the Father and the Son, using the famous term "homoousios" to express the oneness of their being, while Arius and some bishops who supported him, including Eusebius, were banished. This council marks the end of the early Christian period.
The Ebionites ("poor ones") were a sect of Jewish Christians who flourished in the early centuries of Christianity, especially east of the Jordan. They emphasized the binding character of the Mosaic Law and believed Jesus was the human son of Joseph and Mary. They seem to have been ascetics, and are said to have rejected Paul's epistles and to have used only one Gospel.

Early in the common era, several distinct religious sects, some of them Christian, adhered to an array of beliefs that would later be termed Gnostic. The most successful Christian Gnostic was the priest Valentinus (c. 100 - c. 160), who founded a Gnostic church in Rome and developed an elaborate cosmology. Gnostics considered the material world to be a prison created by a fallen or evil spirit, the god of the material world (called the demiurge). Gnostics identified the God of the Hebrew Bible as this demiurge. Secret knowledge (gnosis) was said to liberate one's soul to return to the true God in the realm of light.
Valentinus and other Christian gnostics identified Jesus as the Savior, a spirit sent from the true God into the material world to liberate the souls trapped there. While there appear to be Gnostic elements in some early Christian writing, Irenaeus and others condemned Gnosticism as a heresy, rejecting its dualistic cosmology and vilification of the material world and the creator of that world. Gnostics thought the God of the Old Testament was not the true God. It was considered to be the demiurge and either fallen, as taught by Valentinus (c. 100 - c. 160) or evil, as taught by the Sethians and Ophites.
The Gospel of John, according to Stephen L Harris, both includes Gnostic elements and refutes Gnostic beliefs, presenting a dualistic universe of light and dark, spirit and matter, good and evil, much like the Gnostic accounts, but instead of escaping the material world, Jesus bridges the spiritual and physical worlds. Raymond E. Brown wrote that even though gnostics interpreted John to support their doctrines, the author didn't intend that. The epistles were written (whether by the author of the Gospel or someone in his circle) to argue against gnostic doctrines.
The Gospel of Thomas has some Gnostic elements but lacks the full Gnostic cosmology. The scene in John in which "doubting Thomas" ascertains that the resurrected Jesus is physical refutes the Gnostic idea that Jesus returned to spirit form after death. The written gospel draws on an earlier oral tradition associated with Thomas. Some scholars argue that the Gospel of John was meant to oppose the beliefs of that community.
Some believe that there were at least three distinct divisions within the Christian movement of the 1st century: the Jewish Christians (led by the Apostle James the Just, with Jesus's disciples, and their followers), Pauline Christians (followers of Paul of Tarsus) and Gnostic Christians. Others believe that Gnostic Christianity was a later development, some time around the middle or late second century, around the time of Valentinus. Gnosticism was in turn made up of many smaller groups, some of which did not claim any connection to Jesus Christ. In Mandaeist Gnosticism, Mandaeans maintain that Jesus was a mšiha kdaba or "false messiah" who perverted the teachings entrusted to him by John the Baptist. The word k(a)daba, however, derives from two roots in Mandaic: the first root, meaning "to lie," is the one traditionally ascribed to Jesus; the second, meaning "to write," might provide a second meaning, that of "book;" hence some Mandaeans, motivated perhaps by an ecumenical spirit, maintain that Jesus was not a "lying Messiah" but a "Book Messiah", the "book" in question presumably being the Christian Gospels. This however seems to be a folk etymology without support in the Mandaean texts. A modern view has argued that Marcionism is mistakenly reckoned among the Gnostics, and really represents a fourth interpretation of the significance of Jesus. Gnostics freely exchanged concepts and texts. It is considered likely that Valentinius was influenced by previous concepts such as Sophia, as much as he influenced others.
In 144, the Church in Rome expelled Marcion of Sinope. He thereupon set up his own separate ecclesiastical organization, later called Marcionism. Like the Gnostics, he promoted dualism. Unlike the Gnostics, however, he founded his beliefs not on secret knowledge (gnosis) but on the vast difference between what he saw as the "evil" deity of the Old Testament and the God of love of the New, on which he expounded in his Antithesis. Consequently, Marcionists were vehemently anti-Judaism in their beliefs. They rejected The Hebrew Gospel and all the other Gospels with the exception of a short version of the Gospel of Luke, often called the Gospel of Marcion.
From the perspectives of Tertullian and Epiphanius (when the four gospels had largely canonical status, perhaps in reaction to the challenge created by Marcion), it appeared that Marcion rejected the non-Lukan gospels, however, in Marcion's time, it may be that the only gospel he was familiar with from Pontus was the gospel that would later be called Luke. It is also possible that Marcion's gospel was actually modified by his critics to become the gospel we know today as Luke, rather than the story from his critics that he changed a canonical gospel to get his version. For example: compare Luke 5:39 to 5:36-38; did Marcion delete 5:39 from his Gospel or was it added later to counteract a Marcionist interpretation of 5:36-38? See also New Wine into Old Wineskins. One must keep in mind that we only know of Marcion through his critics and they considered him a major threat to the form of Christianity that they knew. John Knox (the modern writer, not to be confused with John Knox the Protestant Reformer) in Marcion and the New Testament: An Essay in the Early History of the Canon (ISBN 0-404-16183-9) was the first to propose that Marcion's Gospel may have preceded Luke's Gospel and Acts.
Marcion argued that Christianity should be solely based on Christian Love. He went so far as to say that Jesus’ mission was to overthrow Demiurge -- the fickle, cruel, despotic God of the Old Testament -- and replace Him with the Supreme God of Love whom Jesus came to reveal. Marcion was labeled a gnostic by Irenaeus. Irenaeus' labeled Marcion this because of Marcion expressing this core gnostic belief, that the creator God of the Jews and the Old Testament was the demiurge. This position, he said, was supported by the ten Epistles of Paul that Marcion also accepted. His writing had a profound effect upon the development of Christianity and the canon.
About 156, Montanus launched a ministry of prophecy, criticizing Christians as increasingly worldly and bishops as increasingly autocratic. Traveling in his native Anatolia, he and two women preached a return to primitive Christian simplicity, prophecy, celibacy, and asceticism. Tertullian, having grown puritanical with age, embraced Montanism as a more outright application of Christ's teaching. Montanus's followers revered him as the Paraclete that Christ had promised, and he led his sect out into a field to meet the New Jerusalem. His sect spread across the Roman Empire, survived persecution, and relished martyrdom. The Church banned them as a heresy, and in the 6th century Justinian ordered the sect's extinction. The sect's ecstasy, speaking in tongues, and other details are similar to those found in Pentecostalism. Early Christians wrote many religious works, some of which were later canonized as the New Testament of today.
Christian testimony was entirely oral for roughly twenty years after Jesus' death. Christians passed along Jesus' teachings, proclaimed his resurrection, and prophesied his imminent return. Apostles established churches and oral traditions in various places, such as Jerusalem, Antioch, Caesarea, and Ephesus. These traditions gradually developed distinct characteristics.
When those who had heard Jesus' actual words began to die, Christians started recording the sayings in writing. The hypothetical Q document, a collection of Jesus' sayings, is perhaps the first such record (c 50).
At about the same time, Paul of Tarsus also began writing (or dictating) letters ("epistles") to various churches that would later be considered scripture. Some scholars think Paul articulated the first Christian theology: namely that all people inherit Adam's guilt and can only be saved from death by the atoning death of the Son of God, Jesus' crucifixion. Epistles by other hands than Paul's circulated in the early church. Many of them, including one written as late as c 150, were eventually included in the New Testament canon. Many later epistles concern issues of church leadership, discipline, and disputes. Several apocalypses circulated in the early church, and one of them, the Revelation of John, was later included in the New Testament.

Debates about scripture were underway in the mid-second century, concurrent with a drastic increase of new scriptures, both Jewish and Christian. Debates regarding practice and belief gradually became reliant on the use of scripture. Similarly, in the third century a shift away from direct revelation as a source of authority occurred. "Scripture" still had a broad meaning and usually referred to the Septuagint. Beyond the Torah (the Law) and some of the earliest prophetic works (the Prophets), there was no universal agreement to a canon, but it was not debated much at first. By the mid-second century, tensions arose with the growing rift between Christianity and Judaism, leading eventually to the determination of a Jewish canon by the emerging rabbinic movement, though, even as of today, there is no scholarly consensus as to when the Jewish canon was set, see Development of the Jewish Bible canon for details. Some scholars argue that the Jewish canon was fixed by the Hasmonean dynasty.
Regardless, throughout the Jewish diaspora newer writings were still collected and the fluid Septuagint collection was the primary source of scripture for Christians. Many works under the names of known Apostles, such as the Gospel of Thomas, were accorded scriptural status in at least some Christian circles. Apostolic writings, such as I Clement and the Epistle of Barnabas, were considered scripture even within the orthodoxy through the fifth century. A problem for scholars is that there is a lack of direct evidence on when Christians began accepting their own scriptures alongside the Septuagint. Well into the second century Christians held onto a strong preference for oral tradition as clearly demonstrated by writers of the time, such as Papias.
The acceptance of the Septuagint was generally uncontested (even the Peshitta appears to be influenced). Later Jerome would express his preference for adhering strictly to the Jewish canon, but his view held little currency even in his own day. It was not until the Protestant Reformation that substantial numbers of Christians began to reject those books of the Septuagint which are not found in the Jewish canon, referring to them as Biblical apocrypha. In addition, some New Testament books were also disputed, see Antilegomena.
From an early date the title "Father" was applied to bishops as witnesses to the Christian tradition. Only later, from the end of the fourth century, was it used in a more restricted sense of a more or less clearly defined group of ecclesiasical authors of the past whose authority on doctrinal matters carried special weight. According to the commonly accepted teaching, the Fathers of the Church are those ancient writers, whether bishops or not, who were characterized by orthodoxy of doctrine, holiness of life and the approval of the Church. Sometimes Tertullian, Origen and a few others of not unimpeachable orthodoxy are now classified as Fathers of the Church.
The earliest Christian writings (other than those collected in the New Testament) are a group of letters credited to the Apostolic Fathers. These include the Epistle of Barnabas, the Shepherd of Hermas and the Epistles of Clement, as well as the Didache. Taken as a whole, the collection is notable for its literary simplicity, religious zeal and lack of Hellenistic philosophy or rhetoric. Fathers such as Ignatius of Antioch (died 98 to 117) advocated the authority of the apostolic episcopacy (bishops).
Post-apostolic fathers defined and defended Christian doctrine. The Apologists became prominent in the second century. This includes such notable figures as Justin Martyr (d. 165), Tatian (d. c. 185), and Clement of Alexandria (c. 150-211/216). They debated with prevalent philosophers of their day, defending and arguing for Christianity. They focused mainly on monotheism and their harshest words were used for ancient mythologies. Fathers such as Irenaeus advocated the role of the apostolic succession of bishops in preserving apostolic teaching.
The church fathers themselves were conscious of being a part of an ongoing tradition, and frequently appealed to earlier writers to defend their opinions. As the centuries passed, the result was a growing body of religious literature which was customarily used for devotional purposes and theological argumentation. It is these church fathers who form our most important sources for understanding the development of early Christianity, and their importance to their immediate successors explains their ongoing importance today. At the Protestant Reformation, the Reformers frequently appealed to the church fathers in defense of their propositions, though they also showed a willingness to disagree with them. By contrast, the Restorationists later viewed the church fathers as entirely suspect, and appealed in support of their views either to supposed new revelations or else to the New Testament directly without reference to later Christianity.
The term Rule of Faith is used to describe outline statements of Christian belief that circulated in the second-century Church and were designed to make clear the essential contents of Christian faith, guide the understanding of scripture, and distinguish orthodox belief from heresy. While, unlike the creeds, which were later, they varied in wording, their identical essential content was held to have descended unchanged from the Apostles.
Originally, candidates for baptism accepted a short formula of belief, which varied in detail from one place to another. "By the fourth century these formulas had become more uniform and were everywhere tripartite in structure, following Matthew 28:19".
The early Christian era ends with Emperor Constantine convening the Council of Nicaea, where the original version of the Nicene Creed was formulated.
From the writings of early Christians, historians have tried to piece together an understanding of various early Christian practices including worship services, customs and observances. Early Christian writers such as Justin Martyr (100 - 165) described these practices.
Sacraments are rituals that would later be defined as sacraments existed in the early church.
Early Christian beliefs regarding baptism were variable. In the most usual form of early Christian baptism, the candidate stood in water and water was poured over the upper body. In other words, it was immersion, not submersion. Tertullian describes the rite as a triple immersion, preceded by a fast or vigil, a confession of sins, and renouncing the devil, and as followed by anointing, the imposition of hands, and a symbolic meal of milk and honey, the whole of the rite being normally presided over by the bishop, with Easter and Pentecost as the proper seasons for baptism in the early Christian period, though in case of necessity baptism might be administered at any time and by any male Christian. The theology of baptism attained precision in the 3rd and 4th centuries.
While it is clear that infant baptism was widely practiced by at latest the third century, the origins of the practice are controversial. Some believe that the apostolic church practiced infant baptism, arguing that the mention of the baptism of households in the Acts of the Apostles must have included infants. In the second century, Irenaeus may have referred to it. The third century evidence is clearer, with both Origen and Cyprian advocating the practice. Tertullian refers to the practice (and that sponsors would speak on behalf of the children), but argues against it, on the grounds that baptism should be postponed until after marriage. Interpretation of the baptismal practices of the early church is important to groups such as Baptists and Anabaptists, who believe that infant baptism was a later development.
Early Christians blessed bread and wine as part of the Lord's supper. Where pagans would sacrifice animals for religious reasons, Christians would perform the eucharist, or unbloody sacrifice.

The early church featured two or three levels of clergy, overseers (bishops), elders (presbyters, sometimes interchangeable with bishops), and deacons (assistants). By the year 200, only bishops had the authority to ordain priests.


After baptism, the officiating Apostle or priest would lay hands on the subject's head to introduce the Holy Spirit into the believer.

By the third century, a system of public penance served as a "second baptism": the sinner, either voluntarily or under threat of excommunication, would undergo penance for a period whose length depended on the gravity of the sin, and which involved a rigorous course of fasting, prayer, and almsgiving, during which the penitent was excluded from the Eucharist.

The first worship services were liturgical gatherings, which followed essentially a "Christianized" synagogue liturgical framework, and met in sections of homes quartered off especially for worship. Christians considered each other to be brothers and sisters, each contributing their respective gifts to the community. Gatherings featured hymns, prescribed prayers, and readings, especially from the scriptures (Old Testament). The first thirty to sixty years would not have known the writings of the new covenant as they had not yet been written, Christ's teachings being transmitted through the liturgy, its hymns and prayers and through oral Tradition. Eventually, once they had become known, Paul's epistles and later the gospels and other texts were read during the initial liturgical services. The Lord's Supper comprised a communal meal with prayers in memory of Jesus. Services were known as agape feasts or love feasts. Second century sources, such as the Didache, specify that the bread and wine of the Eucharist are for the baptized only. In his First Apology, a letter of defense written to Roman emperor, Antonius Pius, 161-180, Justin described a newly baptized member of the community sharing in the bread and wine of the Eucharist, which was restricted to the baptized.
Despite Ignatius' rejection of Judaizing (see above), Christianity continued many of the patterns of Judaism, adapting to Christian use synagogue liturgical worship, prayer, use of Sacred Scripture, a priesthood, a religious calendar commemorating on certain days each year certain events and/or beliefs, use of music in worship, giving material support to the religious leadership, and practices such as fasting and almsgiving and baptism. Christians adopted as their Bible the Greek translation of the Jewish Scriptures known as the Septuagint and later also canonized the books of the New Testament. There are however many phrases which appear to be quotations and other statements of fact, in the early church fathers, which cannot be found in the Bible as we know it. For example in Clement's First Letter he states that Paul "reached the limits of the West", and also appears to quote a variant form of Ezek 33.
At worship, early Christians greeted each other with a holy kiss. Church leaders restricted the practice to keep the worshipers from taking pleasure in it, such as specifying that the lips be closed.
Many practices which later became characteristic of Christian worship had not yet developed. Singing was generally without instrumentation and was normally in unison. Many Christians had lost their lives rather than offer a mere pinch of incense to the emperor as to a god, and so the use of incense was strongly frowned upon even in Christian worship. These practices and others, such as the use of elaborate vestments and grand buildings, became popular only once the Peace of the Church changed the political situation and the growing prosperity of worshippers made them possible.


Christians proclaimed a God of love who enjoined them to share a higher love with one another. Some interpreted the Old Testament as revealing primarily a God of justice, whereas the New Testament, particularly the letters of Paul and the Gospel of John, revealed a more loving God. Parallels are found in Pharisaic and Rabbinic Judaism. Paul of Tarsus is represented in Acts 17:22-33 as equating the Unknown God of the Greeks as revealed in the Christian God. Early Christian communities welcomed everyone, including slaves and women, who were generally shunned in Greco-Roman culture, but there were other exceptions, such as Epicurianism.

Christian groups were first organized loosely. In Paul's time, there were no precisely delineated functions for bishops, elders, and deacons. A Church hierarchy, however, seems to have developed by the early second century (see Pastoral Epistles, c 90 - 140). These structures were certainly formalized well before the end of the Early Christian period, which concluded with the legalization of Christianity in 313 and the holding of the First Council of Nicea in 325. Some first-century Christian writings include reference to overseers ("bishops") and deacons, though these may have been informal leadership roles rather than formal positions. The Didache (dated by most scholars to the early second century),) speaks of "appointing for yourself bishops and deacons" and also speaks about teachers and prophets and false prophets. Bishops were defined as spiritual authorities over geographical areas. By the end of the early Christian period, the church of the Roman Empire had hundreds of bishops, some of them (those of Rome, Alexandria, Antioch, and, it seems, the chief bishops of other provinces) holding some form of jurisdiction over others.
Jerusalem was an important church center up to 135, for example see the Council of Jerusalem and the section on Jerusalem below, and it became significant again in the post-Nicene era. Some believe Rome was recognized as the first city of the church, Alexandria second, and then Antioch, see also Papal supremacy, however this belief was also one of the primary causes of the Great Schism and is still disputed today by the Orthodox and Protestants. When the city of Constantinople was founded (330), this too became an important Christian centre within the empire, since the emperor resided there and made it his New Rome. Constantinople (Byzantium) is generally associated with the Byzantine Empire.
Christian monasticism started in Egypt. The first monks were hermits (eremetic monks). By the end of the early Christian era, Saint Pachomius was organizing his followers into a community and founding the tradition of monasticism in community (cenobitic monks).

The land in which Christianity began and through which it spread had been both Hellenized (after Alexander the Great) and Romanized (with the rise of the Roman Empire). Early church writings were in Greek, even those originating in Rome, as Greek was the international language, lingua franca, of the day (similar to English in the early 21st century) and was widely spoken even in Rome.
Languages often presume features of the culture of their native speakers. For instance, the concept represented by the Greek word psyche, that of the soul, was often understood as immaterial in Greek writers, who also discussed whether the soul was immortal or not. The writers of the New Testament, like the Jewish translators of the Old Testament (Septuagint), used this word to render the Hebrew nephesh. Christianity and some forms of Judaism believe in bodily resurrection. Judaism later rejected the Septuagint because of its divergence from what had become the accepted Hebrew text and also because of the use of the Septuagint by Christians. Parallels to this exist in Christian history, where Greek, Latin or 16th century English are felt to be "proper" expressions of the scriptures, or of liturgy.
In early Christianity, Koine Greek, the most widely spoken language in the Roman empire of the time, the language also in which Alexandrian Jews such as Philo wrote their works, was naturally the language most used in Christian writings. (Other less widely used languages were not excluded: Latin, for instance, was used by writers such as Tertullian and Marcus Minucius Felix and Syriac by Syriac Christianity.) Regarding issues like polytheism, Christianity stood with Judaism against the background pagan culture, being staunchly monotheistic. Early Christianity thus found itself, like Judaism before it, in conflict with the prevailing Greco-Roman culture, where polytheistic theology was not simply an abstraction, but influenced social customs at many levels. Banquets in honour of gods were a common occurrence, legal codes and international diplomacy depended on gods as witnesses and the ultimate court of appeal on justice. Christians were considered atheists, because they refused to honour the pagan gods. In some cases, public opinion was against Christianity as antisocial (refusing to eat at pagan banquets) and immoral (unaccountable to the moral ethos couched in polytheistic terms). Tacitus recorded some of his impressions in 109: "a class hated for their abominations", "a most mischievous superstition", guilty of "hatred against mankind". Christians were also accused of "cannibalism" (perhaps a reference to the Eucharist) and "incest" (perhaps a reference to the biblical prohibition of marriage outside the faith).
Christians were persecuted on an irregular basis in Rome. In his On the Life of the Caesars Suetonius (ca. 69/75 - after 130) wrote of the Emperor Claudius that, "since the Jews constantly made disturbances at the instigation of Chrestus, he expelled them from Rome." The similarity between the name "Chrestus" and "Christus" (Latin for "Christ") and the tradition witnessed to in the Jewish Encyclopedia that Claudius took this action because of dissensions "regarding the advent of the Messiah" have led to the supposition that this is a reference to the presence of Christians among the Jews in Rome. The common Greek name of Chrestus may have been that of a Jewish agitator in Rome rather than a reference to Christ. Claudius's measure is dated to 49, and Acts 18:1-3 relates that, when Paul of Tarsus arrived in Corinth, probably in the following year, a Jewish Christian couple, Priscilla and Aquila, had arrived there shortly before (προσφάτως) as a result of Claudius's expulsion of "all Jews" from Rome, a phrase that suggests that the Emperor's action was directed against Jews in general, and not against the Christian Jews in particular.
In the year 64, the Christians, specified by this name in the account written later by the Roman historian Tacitus (died c. 117), were blamed by Nero as a scapegoat for the Great Fire of Rome in that year. He probably chose them as a new and secretive cult, mistrusted by the people: Tacitus called Christianity a "deadly superstition"; but he also noted that Nero's persecution of the Christians was so harsh that the inhabitants of Rome resented its cruelty.
Christians also suffered persecutions under the reigns of Domitian and Trajan. Persecutions continued intermittently through the second century. Even during periods between organized persecutions, Christians were still sporadically subject to trial and condemnation. After the late second century relative calm held in Rome. The reign of the Severi emperors is particularly noted as not only tolerant of the various religions in Rome, but actively interested in them. Alexander Severus is said to have had a shrine in his palace with an icon of Christ. The persecutions peaked with the Diocletian Persecution of 303-312.
Martyrdom was considered equivalent to baptism, a "baptism of blood." Martyrs were held to be especially inspired by the holy spirit, and their utterances were treasured. From the end of the 2nd century, the anniversary of a martyr's death as a kept as a feast at the tomb, and churches were sometimes built at these sites. Martyrs were venerated as intercessors, and their relics were sought after.

During persecutions, Christians who capitulated, some to the point of apostasy, and were termed "lapsi" (Latin: fallen), and sacrificed to Caesar. Under the Decian persecution, Christians who obtained false documents asserting that they had sacrificed to the pagan idols were termed libellatici. While this practice was condemned by church authorities, libellatici were treated better than those who had actually sacrificed ("sacrificati"). In Africa during the persecution under Diocletian, Christians who surrendered Scriptures to the authorities were termed traditors. The Novantianist and Donatist schisms arose when the schismatics insisted on being less generous in allowing lapsi back into the Church.

In response to persecution, Christianity castigated the Roman Empire, depicting Rome itself as Babylon (the ancient city depicted in the Bible as morally corrupt). In the second century, Christians responded to persecution by teaching that all those who had had a chance to accept Christ but hadn't would be punished forever. All those who had come before Christ were said to suffer the same fate (sometimes excepting Socrates). Early Christianity spread from city to city in the Hellenized Roman Empire and beyond.

Jerusalem had been King David's capital for his United Monarchy (c 1000 BC) of the Promised Land, and the site of the Israelites First Temple, erected by King Solomon. It was also the capital of the Maccabean Kingdom (164 BC - 63 BC) and site of the Second Temple. Jesus and his followers had traveled there from Galilee, c. 33 AD, at which time the city was under Roman occupation as part of Iudaea province (6 AD - 132 AD). There he was crucified, and there he had reportedly risen and then ascended to heaven with a prophecy to return.
Jerusalem was the first center of the church, according to the Book of Acts. The apostles lived and taught there for some time after Pentecost.[138] Jesus' brother James was a leader in the church, and his other kinsman likely held leadership positions in the surrounding area.[139] Circa 50, Barnabas and Paul went to Jerusalem to meet with the "pillars of the church": James, Peter, and John. Later called the Council of Jerusalem, this meeting, among other things, confirmed the legitimacy of the mission of Barnabas and Paul to the gentiles, and the gentile converts' freedom from most Jewish law, especially circumcision, which was repulsive to the Hellenic mind. Thus, the Apostolic Decree (Acts 15:19-21) may be the first act of differentiation of the Church from its Jewish roots, see also List of events in early Christianity.
When Peter left Jerusalem after Herod Agrippa I tried to kill him, James appears as the principal authority. Church writers would later label him the church's bishop. A second-century church historian, Hegesippus, wrote that the Sanhedrin martyred him in 62. In 66, the Jews revolted against Rome. Rome besieged Jerusalem for four years, and the city fell in 70. The city was destroyed, including the Temple but not the Temple Mount, and the population was mostly killed or removed. A scattered population survived. The Sanhedrin relocated to Jamnia[150]. Prophecies of the Temple's destruction are found in the synoptics.
In the second century, Hadrian rebuilt Jerusalem as Aelia Capitolina, erecting statues of Jupiter and himself on the site of the former Jewish Temple, the Temple Mount. Bar Cochba led an unsuccessful revolt as a Messiah, but Christians refused to acknowledge him as such. When Bar Cochba was defeated, Hadrian barred Jews from the city, except for Tisha B'Av, thus the subsequent Jerusalem bishops were gentiles (literally "uncircumcised") for the first time.

Antioch, the third-most important city of the Roman Empire, then part of Syria province, today Antakya, Turkey, was where Christians were first so-called. It was the site of an early church, traditionally said to be founded by Peter. The Gospel of Matthew may have been written there. The church father Ignatius of Antioch was its third bishop. The School of Antioch, founded in 270, was one of two major centers of early church learning. It was one of the three whose bishops were recognized at the First Council of Nicaea (325) as exercising jurisdiction over the adjoining territories.

Established by Alexander the Great, Alexandria and its famous libraries were a center of Hellenistic learning. The Septuagint translation began there. It had a significant Jewish population, of which Philo of Alexandria is probably its most known author. It produced superior scripture and notable church fathers, such as Clement, Origen, and Athanasius. By the end of the era, Alexandria, Rome, and Antioch were accorded authority over nearby metropolitans. The Council of Nicaea affirmed Alexandria's traditional authority over Egypt, Libya, and Pentapolis (North Africa) (canon VI) and probably granted Alexandria the right to declare a universal date for the observance of Easter, see also Easter controversy.


The seat of imperial power soon became a center of church authority, grew in power decade by decade, and became (during the period of the Seven Ecumenical Councils) the "head" of the church. Paul's Epistle to the Romans (c 58) attests to a large Christian community here. The see is traditionally said to be founded by Peter, see also Primacy of Simon Peter, who had invested it with apostolic authority. Church father Clement, bishop of Rome, asserted his see's apostolic authority. However, not even by the end of the era were Rome and Alexandria, which by tradition held authority over sees outside their own province, referred to as patriarchates.
Pope Victor I (189-198) was the first Latin ecclesiastical writer, but it seems that he wrote nothing but his encyclicals, which would naturally have been issued in both Latin and Greek.
The earlier Roman bishops were all Greek-speaking, the most notable of them being Pope Clement I (c. 88-97), author of an Epistle to the Church in Corinth; Pope Telesphorus (c. 126-136), probably the only martyr among them; Pope Pius I (c. 141-154), said by the Muratorian fragment to be the brother of the author of the Shepherd of Hermas; and Pope Anicetus (c. 155-160), who received Saint Polycarp and discussed with him the dating of Easter.
During the second century, Christians and semi-Christians of diverse views congregated in Rome, and in the following century there were schisms connected with Hippolytus of Rome and Novatian.
The Roman church survived various persecutions, and many clergy were martyred. When Rome burned in 64, Nero blamed the Christians and persecuted them. In the "Massacre of 258", under Valerian, the emperor killed a great many Christian clergy, including Pope Sixtus II and Antipope Novatian and Cyprian of Carthage. Persecutions, of which that which broke out under Diocletian in 303 was particularly severe, finally ended in Rome, and the West in general, with the accession of Maxentius in 306.



Caesarea, at first Caesarea Maritima, then after 133 Caesarea Palaestina, was founded by Herod the Great and was the capital of Iudaea province and later Palaestina Prima. It was there that Peter baptized the centurion Cornelius, considered the first gentile convert. Paul often visited and was imprisoned there for two years. Origen compiled his Hexapla there and it held a famous library and theological school, St. Pamphilus was a noted scholar-priest. St. Gregory the Wonder-Worker, St. Basil the Great, and St. Jerome visited and studied at the library which was later destroyed, probably by the Persians in 614 or the Saracens around 637.[ The first major church historian, Eusebius of Caesarea, was a bishop. F. J. A. Hort and Adolf von Harnack have argued that the Nicene Creed originated in Caesarea.


Carthage gave the early church the Latin fathers Tertullian and Cyprian. The deserts of Egypt were home to ascetic fathers, such as Pachomius and Antony. Carthage fell to Islam in 698.

The tradition of John the Apostle was strong in Anatolia (also called Asia, the near-east, modern Turkey). The gospel of John was likely written in Ephesus. According to the New Testament, the Apostle Paul was from Tarsus and his missionary journeys were primarily in this region. The Book of Revelation mentions Seven churches of Asia. The First Epistle of Peter (1:1-2) is addressed to Anatolian cities. Of the extant letters of Ignatius of Antioch considered authentic (see Ignatius of Antioch#Letters), five of seven are to Anatolian cities. Smyrna was home to Polycarp, the bishop who reportedly knew the Apostle John personally, and probably to Irenaeus. In the 2nd century, Anatolia was home to Quartodecimanism and Montanus. In 325, Constantine convoked the first Christian ecumenical council in Nicaea and in 330 he moved the capital of the empire from Rome to Constantinople, also called the Byzantine Empire, which lasted till 1435.


According to the New Testament, the Apostle Paul was converted on the Road to Damascus. In the three accounts (Acts 9:1-20, 22:1-22, 26:1-24), he is described as being led by those he was traveling with, blinded by the light, to Damascus where his sight was restored by a disciple called Ananias then he was baptized.

Christianity was by no means confined to the Roman Empire during the early Christian period. It became the official religion of Armenia in 301 or 314, when Christianity was still illegal in the Roman Empire. The Armenian church was founded by Gregory the Illuminator. (See Armenian Apostolic Church.) Christianity in Georgia (ancient Iberia) extends back to the 4th century, if not earlier. The Iberian king, Mirian III, converted to Christianity, probably in 334.
Edessa, which was held by Rome from 116 to 118 and 212 to 214, but was mostly a client kingdom associated either with Rome or Persia, was an important Christian city. Shortly after 201 or even earlier, its royal house became Christian.
The main language of the Church in this area was Aramaic, which some, though only a minority,argue was the original language of some books of the New Testament.
The missionary Addai, who evangelized Mesopotamia (modern Iraq) about the middle of the second century, and became the first bishop of Edessa, was succeeded by Aggai, then by Palut, who was ordained about 200 by Serapion of Antioch. Thence came to us in the second century the famous Peshitta, or Syriac translation of the Old Testament; also Tatian's Diatessaron, which was compiled about 172 and in common use until St. Rabbula, Bishop of Edessa (412-435), forbade its use. This arrangement of the four canonical gospels as a continuous narrative, whose original language may have been Syriac, Greek, or even Latin, circulated widely in Syriac-speaking Churches.
Among the illustrious disciples of the School of Edessa, Bardesanes (154 - 222), a schoolfellow of Abgar IX, deserves special mention for his role in creating Christian religious poetry, and whose teaching was continued by his son Harmonius and his disciples.
The Didascalia Apostolorum, originally written in Greek in the first half of the third century, was likely composed by a Jewish convert in northern Syria. A Christian council was held at Edessa as early as 197. In 201 the city was devastated by a great flood, and the Christian church was destroyed. In 232 the relics of the Apostle St. Thomas were brought from India, on which occasion his Syriac Acts were written. Under Roman domination many martyrs suffered at Edessa: Sts. Scharbîl and Barsamya, under Decius; Sts. Gûrja, Schâmôna, Habib, and others under Diocletian. In the meanwhile Christian priests from Edessa had evangelized Eastern Mesopotamia and Persia, and established the first Churches in the kingdom of the Sassanids. Atillâtiâ, Bishop of Edessa, assisted at the First Council of Nicaea (325).
By the time that Edessa was incorporated into the Persian Empire in 258, the city of Arbela, situated on the Tigris in what is now Iraq, had taken on more and more the role that Edessa had played in the early years, as a centre from which Christianity spread to the rest of the Persian Empire. Bardaisan, writing about 196, speaks of Christians throughout Media, Parthia and Bactria (modern-day Afghanistan) and, according to Tertullian (c.160-230), there were already a number of bishoprics within the Persian Empire by 220. By 315, the bishop of Seleucia-Ctesiphon had assumed the title "Catholicos". By this time, neither Edessa nor Arbela was the centre of the Church of the East anymore; ecclesiastical authority had moved east to the heart of the Persian Empire. The twin cities of Seleucia-Ctesiphon, well-situated on the main trade routes between East and West, became, in the words of John Stewart, "a magnificent centre for the missionary church that was entering on its great task of carrying the gospel to the far east."
When Constantine converted to Christianity, the Persian Empire, suspecting a new "enemy within," became violently anti-Christian. Within a few years, Shapur II (309-379) inaugurated a twenty-year long persecution of the church with the murder of Mar Shimun, the Catholicos of Seleucia-Ctesiphon, five bishops and 100 priests on Good Friday, 344, after the Patriarch refused to collect a double tax from the Christians to help the Persian war effort against Rome.
According to records written in the Ge'ez language, see also Ethiopian Orthodox Tewahedo Church, the region today known as Ethiopia converted to Judaism during the time of the biblical Queen of Sheba and Solomon. According to the fourth century western historian Rufinius, it was Frumentius who brought Christianity to Ethiopia (the city of Axum) and served as its first bishop, probably shortly after 325.


n the fourth century, Emperor Constantine (306-337) converted to Christianity and legalized it, showing it personal favour (see Constantine I and Christianity for details). He convened at Nicaea the first of the ecumenical councils, at which the church dogmatically defined the divinity of Christ. In 331 he commissioned Eusebius to deliver fifty Christian Bibles for the Church of Constantinople. Athanasius (Apol. Const. 4) recorded Alexandrian scribes around 340 preparing Bibles for Constantine's son and successor Constans (337-350). Little else is known, though there is plenty of speculation. For example, it is speculated that this may have provided motivation for canon lists, and that Codex Vaticanus, Codex Sinaiticus and Codex Alexandrinus are examples of these Bibles. Together with the Peshitta, these are the earliest extant Christian Bibles. In fact, while there was a good measure of debate in the Early Church over the New Testament canon, the major writings were accepted by almost all Christians by the middle of the second century, nearly two centuries before Constantine, on the occasion of the inauguration of his "New Rome" in 330, provided this gift of copies of the Bible for the churches in the city. Of the next six ecumenical councils, the First Council of Constantinople further defined the Trinity and the Council of Ephesus affirmed Mary as the Mother of God. They anathematized various groups, and declared heretical some early Christian writings, such as when the Second Council of Constantinople condemned certain tenets of Origen.
In modern times, several Christian denominations intentionally follow what they believe to be early Christian practices, such as believer's baptism, Sabbath in Christianity, Passover (Christian holiday), and Signs and Wonders, in place of established Christian traditions. These Restorationist sects consider themselves to be restoring the authentic practices of the early Christian era, before what they call the "Great Apostasy."

A schematic of Christian denominational taxonomy. The different width of the lines (thickest for "Protestantism" and thinnest for "Oriental Orthodox" and "Nestorians") is without objective significance. Protestantism in general, and not just Restorationism, claims a direct connection with Early Christianity.
Since the 19th century, historians have learned much more about the early Christian community. Major texts, such as the Didache (in second-millennium copies) and the Gospel of Thomas (in two manuscripts dated as early as about 200 and 340), have been rediscovered in the last 200 years.


In 19th century America, a movement known as Restorationism arose, which claimed to restore "original Christianity." Most of these individual movements sought to teach what they believed was a more pure understanding of the New Testament. Some movements claimed an actual restoration of the original church founded by Jesus Christ. Restorationists claimed no genesis from Nicene Christianity (Christianity as formulated at the First Council of Nicaea). They hold that Christian usages and beliefs not mentioned in the New Testament are later introductions at variance with the practice and belief of the Apostolic Age, which they claim to restore. For some, the Great Apostasy was in effect in the second century, when Christians had already adopted Sunday as a day of worship; for others, it began even earlier.