History
Byzantine Empire
Crusades
Ecumenical council
Christianization of Bulgaria
Christianization of Kievan Rus'
East-West Schism
By region
Asian - Copts
Eastern Orthodox - Georgian - Ukrainian
Traditions
Church of the East
Eastern Catholic Churches
Eastern Orthodox Church
Oriental Orthodoxy
Syriac Christianity
Liturgy and Worship
Sign of the cross
Divine Liturgy
Iconography
Asceticism
Omophorion
Theology
Hesychasm - Icon
Apophaticism - Filioque clause
Miaphysitism - Monophysitism
Nestorianism - Theosis - Theoria
Phronema - Philokalia
Praxis - Theotokos
Hypostasis - Ousia
Essence-Energies distinction
Metousiosis
The Eastern Catholic Churches are autonomous, self-governing (in Latin, sui iuris) particular Churches in full communion with the Bishop of Rome — the pope. They preserve the centuries-old liturgical, devotional, and theological traditions of the various Eastern Christian Churches with which they are associated historically. While doctrinal differences divide these other Eastern Christian Churches into groups not in communion with one another, the Eastern Catholic Churches are united with one another and with the Latin or Western Church, although they vary in theological emphasis, forms of liturgical worship and popular piety, canonical discipline and terminology. In particular, they recognize the central role of the Bishop of Rome within the College of Bishops and his infallibility when speaking ex cathedra.
Most Eastern Catholic Churches have counterparts in other Eastern Churches, whether Assyrian or Oriental Orthodox, from whom they are separated by a number of theological concerns, or the Eastern Orthodox Churches, from whom they are separated primarily by differences in understanding the role of the Bishop of Rome in the church.
The Eastern Catholic Churches were located historically in Eastern Europe, the Asian Middle East, Northern Africa and India, but are now, because of migration, found also in Western Europe, the Americas and Oceania to the extent of forming full-scale ecclesiastical structures such as eparchies, alongside the Latin dioceses. One country, Eritrea, has only an Eastern Catholic hierarchy, with no Latin structure.
The terms Byzantine Catholic and Greek Catholic are used of those who belong to Churches that use the Byzantine liturgical rite. The terms Oriental Catholic and Eastern Catholic include these, but are broader, since they also cover Catholics who follow the Alexandrian, Antiochian, Armenian and Chaldean liturgical traditions.
The term Eastern Catholic Churches refers to 22 of the 23 autonomous particular Churches in communion with the Bishop of Rome. (Every diocese is a particular Church, but not an autonomous one in the sense in which the word is applied to these 22 Churches.) They follow different Eastern Christian liturgical traditions: Alexandrian, Antiochian, Armenian, Byzantine and Chaldean.[1] Canonically, each Eastern Catholic Church is sui iuris or autonomous with respect to other Catholic Churches, whether Eastern or Latin, though all accept the spiritual and juridical authority of the Pope. Thus a Maronite Catholic is normally subject only to a Maronite bishop, not, for example to a Ukrainian or Latin Catholic bishop. However, if in a country the members of some particular Church are so few that no hierarchy of their own has been established there, their spiritual care is entrusted to a bishop of another ritual Church. This holds also for Latin Catholics: in Eritrea, they are placed in the care of bishops of the Ethiopic Catholic Church. Theologically, all the particular Churches can be viewed as "sister Churches".[2] According to the Second Vatican Council these Eastern Churches, along with the larger Latin Church share "equal dignity, so that none of them is superior to the others as regards rite and they enjoy the same rights and are under the same obligations, also in respect of preaching the Gospel to the whole world (cf. Mark 16:15) under the guidance of the Roman Pontiff."[3]
The Eastern Catholic Churches are in full communion of faith and of acceptance of authority of the See of Rome, but retain their distinctive liturgical rites, laws and customs, traditional devotions and have their own theological emphases. Terminology may vary: for instance, diocese and eparchy, vicar general and protosyncellus, confirmation and chrismation are respectively Western and Eastern terms for the same realities. The mysteries (sacraments) of baptism and chrismation are generally administered, according to the ancient tradition of the Church, one immediately after the other. Infants who are baptized and chrismated are also given the Eucharist.[4]
The Eastern Catholic Churches are represented in the Holy See and the Roman Curia through the Congregation for the Oriental Churches, which, as indicated on the Vatican website, "is made up of a Cardinal Prefect (who directs and represents it with the help of a Secretary) and 27 Cardinals, one Archbishop and 4 Bishops, designated by the Pope ad qui[n]quennium. Members by right are the Patriarchs and the Major Archbishops of the Oriental Churches and the President of the Pontifical Council for the Promotion of Unity among Christians."[5]
Eastern Catholics are in full communion with the Roman Pontiff, and in this sense are members of the Roman Catholic Church,[6][7] but some feel they are not "Roman Catholics" in the narrower senses of that term, since they are not members of the local particular Church of Rome nor of the Western or Latin Church, which uses the Latin liturgical rites, among which the Roman Rite is the most widespread.[8] Maronites, on the other hand, "are proud to call themselves Roman Catholics".[9]