Second Council of NicaeaThe Second Council of Nicaea is recognized as the last of the first seven ecumenical councils by the Eastern Orthodox Church and the Catholic Church. In addition, it is also recognized as such by the Old Catholics, the Anglican Communion, and others. Protestant opinions on it are varied. It met in AD 787 in Nicaea (site of the First Council of Nicaea; present-day İznik, Bursa, in Turkey), to restore the use and veneration of icons (or holy images), which had been suppressed by imperial edict inside the Byzantine Empire during the reign of Leo III (717–741).
BitolaBitola (ˈbiːtoʊlə,_-tələ; Битола ˈbitɔɫa) is a city in the southwestern part of North Macedonia. It is located in the southern part of the Pelagonia valley, surrounded by the Baba, Nidže, and Kajmakčalan mountain ranges, north of the Medžitlija-Níki border crossing with Greece. The city stands at an important junction connecting the south of the Adriatic Sea region with the Aegean Sea and Central Europe, and it is an administrative, cultural, industrial, commercial, and educational centre.
KozaniKozani (Κοζάνη, koˈzani) is a city in northern Greece, capital of Kozani regional unit and of Western Macedonia. It is located in the western part of Macedonia, in the northern part of the Aliakmonas river valley. The city lies above sea level, northwest of the artificial lake Polyfytos, south-west of Thessaloniki, between the mountains Pieria, Vermio, Vourinos and Askio. The population of the Kozani municipality is over 70,000 people. The climate of the area is continental with cold and dry winters, and hot summers.
SchismA schism (ˈsɪzəm , ˈskɪzəm, or, less commonly, ˈʃɪzəm ) is a division between people, usually belonging to an organization, movement, or religious denomination. The word is most frequently applied to a split in what had previously been a single religious body, such as the Great East–West Schism or the Western Schism. It is also used of a split within a non-religious organization or movement or, more broadly, of a separation between two or more people, be it brothers, friends, lovers, etc.
EcclesiologyIn Christian theology, ecclesiology is the study of the Church, the origins of Christianity, its relationship to Jesus, its role in salvation, its polity, its discipline, its eschatology, and its leadership. In its early history, one of the Church's primary ecclesiological issues had to do with the status of Gentile members in what had become the New Testament fulfilment of the essentially Jewish Old Testament church.
NicaeaNicaea, Nicæa or Nicea (naɪ'si:ə , niːˈkae̯.a), also known as Nikaia (Νίκαια, Attic: nǐːkai̯a, Koine: ˈnikεa), was an ancient Greek city in the north-western Anatolian region of Bithynia that is primarily known as the site of the First and Second Councils of Nicaea (the first and seventh Ecumenical councils in the early history of the Christian Church), the Nicene Creed (which comes from the First Council), and as the capital city of the Empire of Nicaea following the Fourth Crusade in 1204, until the recapture of Constantinople by the Byzantines in 1261.
SerresSérres (Σέρρες ˈseɾes) is a city in Macedonia, Greece, capital of the Serres regional unit and second largest city in the region of Central Macedonia, after Thessaloniki. Serres is one of the administrative and economic centers of Northern Greece. The city is situated in a fertile plain at an elevation of about , some northeast of the Strymon river and north-east of Thessaloniki, respectively. Serres' official municipal population was 76,817 in 2011 with the total number of people living in the city and its immediate surroundings estimated at around 100,000.
KastoriaKastoria (Καστοριά, Kastoriá kastoˈrʝa) is a city in northern Greece in the region of Western Macedonia. It is the capital of Kastoria regional unit, in the geographic region of Macedonia. It is situated on a promontory on the western shore of Lake Orestiada, in a valley surrounded by limestone mountains. The town is known for its many Byzantine churches, Byzantine and Ottoman-era domestic architecture, its lake and its fur clothing industry.
Rum MilletRūm millet (millet-i Rûm), or "Roman nation", was the name of the Eastern Orthodox Christian community in the Ottoman Empire. Despite being subordinated within the Ottoman political system, the community maintained a certain internal autonomy. After the fall of Constantinople to the Ottoman Empire in 1453, all Orthodox Christians were treated as a lower class of people. The Rum millet was instituted by Sultan Mehmet II who set himself to reorganise the state as the conscious heir of the East Roman Empire.
Walls of ConstantinopleThe Walls of Constantinople (Τείχη της Κωνσταντινουπόλεως) are a series of defensive stone walls that have surrounded and protected the city of Constantinople (today Istanbul in Turkey) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built.
