Bogomilism
Bogomilism was a dualist religiopolitical sect founded in the First Bulgarian Empire by the priest Bogomil during the reign of Tsar Peter I in the 10th century. It most probably arose in what is today...
Bogomilism - Wikipedia
Byzantine Iconoclasm
Byzantine Iconoclasm (Greek: Εἰκονομαχία, Eikonomachía) refers to two periods in the history of the Byzantine Empire when the use of religious images or icons was opposed by religious and imperial...
Byzantine Iconoclasm - Wikipedia
Paulicianism
Paulicians (Classical Armenian: Պաւղիկեաններ, Pawłikeanner; Greek: Paulikianoi; Arab sources: Baylakānī, al Bayālika) were a Christian Adoptionist sect, also accused by medieval sources of bei...
Paulicianism - 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...
Zerahiah the Greek
Rabbi Zerachiah the Greek (in Hebrew, Zerachiah ha-Yavani or ha-Yewani; sometimes known by the acronymistic nickname "Ra'Za'H") was a Greek-Jewish ethicist who resided in the Byzantine Empire in the t...
Fourth Council of Constantinople (Eastern Orthodox)
The Fourth Council of Constantinople, accepted by some Eastern Orthodox as the Eighth Ecumenical Council, was held in 879–880. It confirmed the reinstatement of Photius as Patriarch of Constantinople....
Battle of Bathys Ryax
The Battle of Bathys Ryax was fought in 872 or 878 between the Byzantine Empire and the Paulicians. The Paulicians were a Christian sect which—persecuted by the Byzantine state—had established a separ...
Battle of Bathys Ryax - Wikipedia
History of Eastern Orthodox Christian theology
The history of Eastern Orthodox Christian theology begins with the life of Jesus and the forming of the Christian church. Major events include the schism with Oriental Orthodoxy, Iconoclast controver...
History of Eastern Orthodox Christian theology - Wikipedia
Church of the East
The Church of the East (Syriac: ܥܕܬܐ ܕܡܕܢܚܐ ʿĒ(d)tāʾ d-Maḏn(ə)ḥāʾ), also known as the Nestorian Church, is a historical Christian church within of the Syriac tradition of Eastern Christianity. Ori...
Church of the East - Wikipedia
Siege of Nicaea (727)
The Siege of Nicaea of 727 was an unsuccessful attempt by the Umayyad Caliphate to capture the Byzantine city of Nicaea, the capital of the Opsician Theme. Ever since its failure to capture the Byzant...
Siege of Nicaea (727) - Wikipedia
Battle of Lalakaon
The Battle of Lalakaon (Greek: Μάχη τοῦ Λαλακάοντος) or the Battle of Poson (or Porson) (Greek: Μάχη τοῦ Πό(ρ)σωνος) was fought in 863 between the Byzantine Empire and an invading Arab army in...
Battle of Lalakaon - Wikipedia
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
Palamism
Palamism or the Palamite theology refers to the teachings of Gregory Palamas (c.1296–1359), whose writings defended the Orthodox notion of Hesychasm against the attack of Barlaam. Followers of Palama...
Palamism - Wikipedia
Divriği
Divriği, historically known as Tephrike (Greek: Τεφρική Tephrike, Armenian: Տեւրիկ Tewrik) and formerly sometimes called Divrik, is a small town and a district of Sivas Province of Turkey. The...
Divriği - Wikipedia
Dhuvjan Monastery
The Dhuvjan Monastery (Albanian: Manastiri i Dhuvjanit, Greek: Μονή Δούβιανης) also known as Monastery of Saints Quiricus and Julietta (Albanian: Manastiri i Shën Qirjakut dhe Julitës, Gre...
Dhuvjan Monastery - Wikipedia
Karbeas
Karbeas (Greek: Καρβέας), or Karbaias (Καρβαίας), was a Paulician leader, who following the anti-Paulician pogroms in 843 abandoned his service in the Byzantine army and went over to the Arabs. Wi...
Tondrakians
Tondrakians (Armenian: Թոնդրակեաններ) were members of an anti-feudal, heretical Christian sect that flourished in medieval Armenia between the early 9th century and 11th century and centered on th...
Nicetas (Bogomil bishop)
Nicetas, known only from Latin sources who call him papa Nicetas, is said to have been the Bogomil bishop of Constantinople. In the 1160s he went to Lombardy. His purpose was apparently to reinforce t...
Maphrian
The Maphrian (Syriac: ܡܦܪܝܢܐ Maphryānā, also rendered as mafriano, etc.) was the prelate in the Syriac Orthodox Church who ranked second in the hierarchy after the Syriac Orthodox Patriarch of Ant...
Tombstones of Duke Momčilo
The Tombstones of Duke Momčilo (Serbian Cyrillic: Стећци Војводе Момчила) are a group of three medieval tombstones about 5 km to the South-East from the center of Teslić in Bosnia and Herzegovina...
Tombstones of Duke Momčilo - Wikipedia
Eastern Orthodox Church by country
Based on the numbers of adherents, Orthodoxy is the second largest Christian communion in the world after the Roman Catholic Church. The most common estimates of the number of Orthodox Christians...
Eastern Orthodox Church by country - Wikipedia
Aphthartodocetae
The Aphthartodocetae (Greek Ἀφθαρτοδοκῆται, from ἄφθαρτος, aphthartos, "incorruptible" and δοκεῖν, dokein, "to seem") were members of a 6th-century Non-Chalcedonian sect. Their leader Julian of Halica...
Byzantine architecture
Byzantine architecture is the architecture of the Byzantine Empire, also known as the Later Roman or Eastern Roman Empire. This terminology is used by modern historians to designate the medieval Roma...
Byzantine architecture - Wikipedia
Henotikon
The Henotikon (/həˈnɒtɨkən/ or /həˈnɒtɨˌkɒn/ in English; ἑνωτικόν "act of union") was issued by Byzantine emperor Zeno in 482, in an unsuccessful attempt to reconcile the differences between the suppo...
Monothelitism
Monothelitism or monotheletism (from Greek μονοθελητισμός "doctrine of one will") is a particular teaching about how the divine and human relate in the person of Jesus, known as a Christological doctr...
Monothelitism - Wikipedia