In Western philosophy, the spread of Christianity through the Roman Empire marked the ending of Hellenistic philosophy and ushered in the beginnings of Medieval philosophy, whereas in Eastern philosophy, the spread of Islam through the Arab Empire marked the end of Old Iranian philosophy and ushered in the beginnings of early Islamic philosophy.

Ousia is essence or being, in Eastern Christianity, and is the aspect of God that is completely incomprehensible to mankind and human perception.

Saint Alcuin ( Alcuin of York ) is considered as a saint by all the main branches of Christianity: Roman Catholic, Anglican and Eastern Orthodox Churches.

While the Society was oriented toward an Eastern and especially Indian approach, Steiner was trying to develop a path that embraced Christianity and natural science.

Athanasius is venerated as a Christian saint, whose feast day is 2 May in Western Christianity, 15 May in the Coptic Orthodox Church, and 18 January in the other Eastern Orthodox Churches.

His other important works include his Letters to Serapion, which dealt with the divinity of the Holy Spirit, and his classic Life of St Anthony, which was translated into several languages and played an important role in the spreading of the ascetic ideal in Eastern and Western Christianity.

Other vestments and insignia vary between Eastern and Western Christianity.

* Holy water in Eastern Christianity

Saint Bruno of Querfurt ( c. 974 – February 14, 1009 ), also known as Brun and Boniface, is a sainted missionary bishop and martyr, who was beheaded near the border of Kievan Rus and Lithuania while trying to spread Christianity in Eastern Europe.

Worldwide the three largest groups of Christianity are the Roman Catholic Church, the Eastern Orthodox Church, and the various denominations of Protestantism.

The three primary divisions of Christianity are Catholicism, Eastern Orthodoxy, and Protestantism.

Another distinction that is sometimes drawn is between Eastern Christianity and Western Christianity.

Like the Roman Catholic Church, the Eastern Orthodox Church also traces its heritage to the foundation of Christianity through Apostolic succession and has an episcopal structure, though the autonomy of the individual, mostly national churches is emphasized.

Eastern Orthodoxy is the second largest single denomination in Christianity, with over 200 million adherents.

Eastern Orthodox Christianity does not officially condemn or endorse capital punishment.

Clement is regarded as a Church Father, and he is venerated as a saint in Orthodox Christianity, Eastern Catholicism and Anglicanism.

Like many of the Eastern Fathers, he has an essentially moralistic conception of Christianity.

Some Christian denominations hold that salvation depends upon transformational faith in Jesus, which expresses itself in good works as a testament ( or witness ) to ones faith for others to see ( primarily Eastern Orthodox Christianity and Roman Catholicism ), while others ( including most Protestants ) hold that faith alone is necessary for salvation.

Eastern Orthodox Christianity emphasizes a continuing life of repentance or metanoia, which includes an increasing improvement in thought, belief and action.

Deuterocanonical books is a term used since the sixteenth century in the Catholic Church and Eastern Christianity to describe certain books and passages of the Christian Old Testament that are not part of the Hebrew Bible.

Terracotta Sunburst ( design ) | sunburst design above the front doors of the Eastern Columbia Building in Los Angeles ; Claud Beelman, 1930

Mitre worn by an Eastern bishop with icon s of Christ, the Theotokos ( Mary, Mother of God ) and John the Baptist | Forerunner ( John the Baptist ).

| SHORT DESCRIPTION = Hungarian composer, pianist, and collector of Eastern European and Middle Eastern folk music

File: Eastern riveted hood detail. JPG | Close up detail of Mughal riveted mail hood kulah zirah.

File: Eastern riveted armor 1. JPG | Mughal riveted mail and plate coat zirah Bagtar.

File: Eastern riveted armor hood. JPG | Mughal riveted mail hood kulah zirah.

A miniature guard wielding a handheld crossbow from the top balcony of a model watchtower, made of glazed earthenware during the Han Dynasty | Eastern Han era ( 25 – 220 AD ) of China, from the Metropolitan Museum of Art.

File: St. Anthony's Monastery 2006. jpg | Monastery of Saint Anthony, Eastern Desert, Egypt

File: MonasteroAntonio2. jpg | Monastery of Saint Anthony, Eastern Desert, Egypt

File: MonasteroPaolo4. jpg | Monastery of Saint Paul the Anchorite, Eastern Desert, Egypt

File: 5208-20080122-1255UTC -- jerusalem-calvary. jpg | The place where it is believed Jesus died, now under the Eastern Orthodox altar on Calvary

A fresco from Rila Monastery, Bulgaria, medieval Eastern Orthodox Church | Orthodox tradition, renovated 20th centuryElijah is mentioned once more in, which will be his final mention in the Hebrew Bible.

Image: Various gas masks WWI. jpg | Various gas masks employed on the Western Front and Eastern Front during World War I

Eastern District, Hong Kong | Eastern ; 17.

The Eastern Harbour Tunnel is the second under-water tunnel across Victoria Harbour, and is part of Route 2 ( Hong Kong ) | Route 2.

File: Gentlemen in conversation, Eastern Han Dynasty. jpg | Gentlemen in Conversation, tomb painting dated to the Eastern Han Dynasty ( 25 – 220 AD ).

17th century Khmelnytsky Uprising | destructions and Sabbatai Zevi | false Messianism brought disillusionment to the Jews of Eastern Europe.

With a membership currently estimated at over 85 million members worldwide, the Anglican Communion is the third largest Christian communion in the world, after the Roman Catholic Church and the Eastern Orthodox Churches.

The solemn form of Eastern Christian anointing requires the ministry of seven priests.

Category: Eastern Christian liturgy

Present-day Christian religious bodies known for conducting their worship services without musical accompaniment include some Presbyterian churches devoted to the regulative principle of worship, Old Regular Baptists, Primitive Baptists, Plymouth Brethren, Churches of Christ, the Old German Baptist Brethren, the Eastern Orthodox Christian Church and the Amish, Old Order Mennonites and Conservative Mennonites.

The traditional role of a bishop is as pastor of a diocese ( also called a bishopric, synod, eparchy or see ), and so to serve as a " diocesan bishop ," or " eparch " as it is called in many Eastern Christian churches.

; Chorbishop: A chorbishop is an official of a diocese in some Eastern Christian churches.

Category: Eastern Christian ecclesiastical offices

Like the Eastern Orthodox, the Roman Catholic Church through Apostolic succession traces its origins to the Christian community founded by Jesus Christ.

In the Eastern Christian traditions, priests and deacons are allowed to be married, yet have to remain celibate if they are unmarried at the time of ordination.

The Apostolic Canons or Ecclesiastical Canons of the Same Holy Apostles is a collection of ancient ecclesiastical decrees ( eighty-five in the Eastern, fifty in the Western Church ) concerning the government and discipline of the Early Christian Church, incorporated with the Apostolic Constitutions which are part of the Ante-Nicene Fathers

That Council of Chalcedon is one of the first seven Ecumenical Councils accepted by Eastern Orthodox, Catholic, and many Protestant Christian churches.

The Council is considered by the Roman Catholics, Eastern Catholic Churches, the Eastern Orthodox Church, the Old Catholics, and various other Western Christian groups to have been the Fourth Ecumenical Council.

Modern gay Christian leader Justin R. Cannon promotes what he calls " Inclusive Orthodoxy " ( not to be confused with the Eastern Orthodox Church ).

According to a tradition preserved in Eastern Christian folklore, Golgotha was the summit of the cosmic mountain at the center of the world and the location where Adam had been both created and buried.

Some Christian denominations ( such as Anglican, Roman Catholic, and Eastern Orthodox ), include a number of books that are not in the Hebrew Bible ( the biblical apocrypha or deuterocanonical books or Anagignoskomena, see Development of the Old Testament canon ) in their biblical canon that are not in today's Jewish canon, although they were included in the Septuagint.

All Christian monasticism stems, either directly or indirectly, from the Egyptian example: Saint Basil the Great Archbishop of Caesaria of Cappadocia, founder and organizer of the monastic movement in Asia Minor, visited Egypt around AD 357 and his rule is followed by the Eastern Orthodox Churches ; Saint Jerome who translated the Bible into Latin, came to Egypt, while en route to Jerusalem, around AD 400 and left details of his experiences in his letters ; Benedict founded the Benedictine Order in the 6th century on the model of Saint Pachomius, but in a stricter form.

Other Christian churches also laying claim to the description " Catholic " include the Eastern Orthodox Church and those churches possessing the historic episcopate ( bishops ), such as those of the Anglican Communion.

The Church of the Holy Sepulchre, also called the Basilica of the Holy Sepulchre, or the Church of the Resurrection by Eastern Christians, is a church within the Christian Quarter of the walled Old City of Jerusalem.