East–West Schism
The East–West Schism is the break of communion between what are now the Eastern Orthodox and Roman Catholic Churches which began in the 11th century.There had long been ecclesiastical differences and ...
East–West Schism - Wikipedia
Council of Florence
The Seventeenth Ecumenical Council of the Roman Catholic Church was convoked as the Council of Basel (Basle in the once-preferred English spelling) by Pope Martin V shortly before his death in Februar...
Council of Florence - Wikipedia
Byzantine Papacy
The Byzantine Papacy was a period of Byzantine domination of the papacy from 537 to 752, when popes required the approval of the Byzantine Emperor for episcopal consecration, and many popes were chose...
Byzantine Papacy - Wikipedia
Eastern Orthodox – Roman Catholic theological differences
The Roman Catholic Church and the Eastern Orthodox Church have been in a state of official schism from one another since the events of 1054—the East–West Schism. The causes of this breach were centur...
Eastern Orthodox – Roman Catholic theological differences - Wikipedia
Joint International Commission for Theological Dialogue Between the Catholic Church and the Orthodox...
The Joint International Commission for Theological Dialogue Between the Catholic Church and the Orthodox Church was established by the Holy See and 14 autocephalous Orthodox churches.
For Catholic...
Caesaropapism
Caesaropapism /ˌsiːzəroʊˈpaɪpɪzəm/ is the idea of combining the power of secular government with the religious power, or making it superior to the spiritual authority of the Church; especially concer...
Caesaropapism - Wikipedia
Controversies of Kirill I of Moscow
This is a list of controversies of Kirill I of Moscow.
In the early 1990s and later on, Kirill was accused of having links to the KGB during much of the Soviet period, as were many members of the ...
Controversies of Kirill I of Moscow - Wikipedia
Western Rite Orthodoxy
Western Rite Orthodoxy or Western Orthodoxy or Orthodox Western Rite are terms used to describe Orthodox congregations and groups which are in communion with the Eastern Orthodox Church or Oriental Or...
Western Rite Orthodoxy - Wikipedia
Council of Bari
During the brief period of rapproachement between the Eastern Roman Empire and the Pope, in the course of the First Crusade the Council of Bari was called by Urban II in 1098 in a stated attempt to de...
Financial scandal in the Orthodox Church in America
The financial scandal in the Orthodox Church in America was a significant crisis of governance that shook the leadership of the OCA from 2005 to 2008.
In the autumn of 2005, the OCA administration...
History of the East–West Schism
In the History of the East–West Schism, Eastern and Western Mediterranean Christians had a history of differences and disagreements dating back to the 2nd century. Among the most significant disagreem...
History of the East–West Schism - Wikipedia
Theoria
Theoria (θεωρία) is Greek for contemplation. It corresponds to the Latin word contemplatio, "looking at", "gazing at", "being aware of," and it is an important term in theology.
The Greek theoria...
Theoria - Wikipedia
History of the Filioque controversy
There are two separate issues in the Filioque controversy of Christianity, the orthodoxy of the doctrine itself and the liceity of the interpolation of the phrase into the Nicene Creed. Although the d...
History of the Filioque controversy - Wikipedia
Council of Aachen
A number of significant councils of the Roman Catholic Church were held at Aachen in the early Middle Ages. In the mixed council of 798, Charlemagne proclaimed a capitulary of eighty-one chapters, lar...
Mehmed the Conqueror
Mehmed II (Ottoman Turkish: محمد ثانى, Meḥmed-i s̠ānī; Turkish: II. Mehmet [ˈmeh.met]; also known as el-Fātiḥ, الفاتح, "the Conqueror" in Ottoman Turkish; in modern Turkish, Fatih Sultan Mehme...
Mehmed the Conqueror - Wikipedia
Eastern Orthodox teaching regarding the Filioque
William La Due describes modern Orthodox theological scholarship as split between a group of scholars that hold to a "strict traditionalism going back to Photius" and other scholars that are "not so a...
Michael I Cerularius
Michael I Cerularius or Keroularios (Greek: Μιχαήλ Α΄ Κηρουλάριος; c. 1000 – 21 January 1059) was the Ecumenical Patriarch of Constantinople from 1043 to 1059.
Born in Constantinople, Patriarc...
Michael I Cerularius - Wikipedia
Filioque
Filioque ([filiˈɔkwe]), Latin for "and (from) the Son", is a phrase included in some forms of the Nicene Creed though not all, and which has been the subject of great controversy between Eastern and W...
Filioque - Wikipedia
Irenaeus (Susemihl)
Metropolitan Iriney (Irenaeus, secular name Igor Vladimirovich Susemihl, Russian: Игорь Владимирович Зуземиль; July 10, 1919, Chernigov, Russian Empire - July 26, 1999, Vienna, Austria) was a metr...
Contra Errores Graecorum
Contra errores Graecorum, ad Urbanum IV Pontificem Maximum (Against the Errors of the Greeks, to Pope Urban IV) is a short treatise (an "opusculum") written in 1263 by Roman Catholic theologian Saint ...