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Komnenian Period
The Byzantine Empire was ruled by emperors of the Komnenos dynasty for a period of 104 years, from 1081 to about 1185. The ''Komnenian'' (also spelled ''Comnenian'') period comprises the reigns of five emperors, Alexios I, John II, Manuel I, Alexios II and Andronikos I. It was a period of sustained, though ultimately incomplete, restoration of the military, territorial, economic and political position of the Byzantine Empire. Byzantium under the Komnenoi played a key role in the history of the Crusades in the Holy Land, while also exerting enormous cultural and political influence in Europe, the Near East, and the lands around the Mediterranean Sea. The Komnenian emperors, particularly John and Manuel, exerted great influence over the Crusader states of Outremer, whilst Alexios I played a key role in the course of the First Crusade, which he helped bring about. Moreover, it was during the Komnenian period that contact between Byzantium and the 'Latin' Christian West, includ ...
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Alexios I Komnenos
Alexios I Komnenos (, – 15 August 1118), Latinization of names, Latinized as Alexius I Comnenus, was Byzantine Emperor, Byzantine emperor from 1081 to 1118. After usurper, usurping the throne, he was faced with a collapsing empire and constant warfare throughout his reign, Alexios was able to curb the Byzantine decline and begin the military, financial, and territorial recovery known as the Komnenian restoration. His appeals to Western Europe for help against the Seljuk Empire, Seljuk Turks were the catalyst that sparked the First Crusade. Although he was not the first emperor of the Komnenos, Komnenian dynasty, it was during his reign that the Komnenos family came to full power and initiated a hereditary succession to the throne. The son of John Komnenos (Domestic of the Schools), John Komnenos and a nephew of Isaac I Komnenos, Alexios served with distinction under three Byzantine emperors. In 1081, he led a rebellion against Emperor Nikephoros III Botaneiates and took ...
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Komnenos
The House of Komnenos ( Komnenoi; , , ), Latinized as Comnenus ( Comneni), was a Byzantine Greek noble family who ruled the Byzantine Empire in the 11th and 12th centuries. The first reigning member, Isaac I Komnenos, ruled from 1057 to 1059. The family returned to power under Alexios I Komnenos in 1081 who established their rule for the following 104 years until it ended with Andronikos I Komnenos in 1185. In the 13th century, they founded the Empire of Trebizond, a Byzantine rump state which they ruled from 1204 to 1461. At that time, they were commonly referred to as Grand Komnenoi (, ), a style that was officially adopted and used by George Komnenos and his successors. Through intermarriages with other noble families, notably the Doukas, Angelos, and Palaiologos, the Komnenos name appears among most of the major noble houses of the late Byzantine world. Origins The 11th-century Byzantine historian Michael Psellos reported that the Komnenos family originated from the v ...
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Theme (Byzantine Administrative Unit)
The themes or (, , singular: , ) were the main military and administrative divisions of the middle Byzantine Empire. They were established in the mid-7th century in the aftermath of the Slavic migrations to Southeastern Europe and Muslim conquests of parts of Byzantine territory, and replaced the earlier provincial system established by Diocletian and Constantine the Great. In their origin, the first themes were created from the areas of encampment of the field armies of the East Roman army, and their names corresponded to the military units that had existed in those areas. The theme system reached its apogee in the 9th and 10th centuries, as older themes were split up and the conquest of territory resulted in the creation of new ones. The original theme system underwent significant changes in the 11th and 12th centuries, but the term remained in use as a provincial and financial circumscription until the very end of the Empire. History Background During the late 6th and earl ...
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Macedonian Dynasty
The Macedonian dynasty () Byzantine Empire under the Macedonian dynasty, ruled the Byzantine Empire from 867 to 1056, following the Byzantium under the Amorian dynasty, Amorian dynasty. During this period, the Byzantine state reached its greatest extent since the Early Muslim conquests, and the Macedonian Renaissance in letters and arts began. The dynasty was named after its founder, Basil I the Macedonian who came from the theme (Byzantine district), theme of Macedonia (theme), Macedonia. Origins The dynasty's ethnic origin is unknown, and has been a subject of debate. During Basil's reign, an elaborate genealogy was produced that purported that his ancestors were not mere peasants, as everyone believed, but descendants of the Arsacid dynasty of Armenia, Arsacid (Arshakuni) kings of Armenia, Alexander the Great and also of Constantine the Great. Some Persian writers such as Hamza al-Isfahani or Al-Tabari, called Basil a ''Saqlabi'', an ethnogeographic term that usually denoted ...
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Empire Of Trebizond
The Empire of Trebizond or the Trapezuntine Empire was one of the three successor rump states of the Byzantine Empire that existed during the 13th through to the 15th century. The empire consisted of the Pontus, or far northeastern corner of Anatolia, and portions of southern Crimea. The Trapezuntine Empire was formed in 1204 with the help of Queen Tamar of Georgia after the Georgian expedition in Chaldia and Paphlagonia, which was commanded by Alexios Komnenos a few weeks before the Sack of Constantinople. Alexios later declared himself emperor and established himself in Trebizond (now Trabzon in Turkey). Alexios and David Komnenos, grandsons and last male descendants of the deposed emperor Andronikos I Komnenos, pressed their claims as Roman emperors against Alexios V Doukas. While the rulers of Trebizond bore the title of emperor until the end of their state in 1461, their rivals, the Laskarids in Nikaia and the Palaiologoi in Constantinople contested their claim to t ...
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Despotate Of Epirus
The Despotate of Epirus () was one of the Greek Rump state, successor states of the Byzantine Empire established in the aftermath of the Fourth Crusade in 1204 by a branch of the Angelos dynasty. It claimed to be the legitimate successor of the Byzantine Empire during the subsequent struggle for Constantinople, along with the Empire of Nicaea and the Empire of Trebizond; its rulers briefly proclaiming themselves as Emperors in 1227–1242 (during which it is most often called the Empire of Thessalonica). The term "Despotate of Epirus" is, like "Byzantine Empire" itself, a modern historiographic convention and not a name in use at the time. The Despotate was centred on the region of Epirus, encompassing also Albania and the western portion of Greek Macedonia and also included Thessaly and western Greece as far south as Nafpaktos. Through a policy of aggressive expansion under Theodore Komnenos Doukas the Despotate of Epirus also briefly came to incorporate central Macedonia (regi ...
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Empire Of Nicaea
The Empire of Nicaea (), also known as the Nicene Empire, was the largest of the three Byzantine Greeks, Byzantine Greek''A Short history of Greece from early times to 1964'' by Walter Abel Heurtley, W. A. Heurtley, H. C. Darby, C. W. Crawley, C. M. Woodhouse (1967), p. 55: "There in the prosperous city of Nicaea, Theodoros Laskaris, the son in law of a former Byzantine Emperor, establish a court that soon become the Small but reviving Greek empire." rump states founded by the aristocracy of the Byzantine Empire that fled when Constantinople was occupied by Western European and Republic of Venice, Venetian armed forces during the Fourth Crusade, a military event known as the Sack of Constantinople. Like the other Byzantine rump states that formed due to the 1204 fracturing of the empire, such as the Empire of Trebizond and the Despotate of Epirus, it was a continuation of the eastern half of the Roman Empire that survived well into the Middle Ages. A fourth state, known in histori ...
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Anatolia
Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean Sea to the west, the Turkish Straits to the northwest, and the Black Sea to the north. The eastern and southeastern limits have been expanded either to the entirety of Asiatic Turkey or to an imprecise line from the Black Sea to the Gulf of Alexandretta. Topographically, the Sea of Marmara connects the Black Sea with the Aegean Sea through the Bosporus and the Dardanelles, and separates Anatolia from Thrace in Southeast Europe. During the Neolithic, Anatolia was an early centre for the development of farming after it originated in the adjacent Fertile Crescent. Beginning around 9,000 years ago, there was a major migration of Anatolian Neolithic Farmers into Neolithic Europe, Europe, with their descendants coming to dominate the continent a ...
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Byzantine Art
Byzantine art comprises the body of artistic products of the Eastern Roman Empire, as well as the nations and states that inherited culturally from the empire. Though the empire itself emerged from the decline of Rome, decline of western Rome and lasted until the Fall of Constantinople in 1453, the start date of the Byzantine period is rather clearer in art history than in political history, if still imprecise. Many Eastern Orthodox states in Eastern Europe, as well as to some degree the Islamic states of the eastern Mediterranean, preserved many aspects of the empire's culture and art for centuries afterward. A number of contemporary states with the Eastern Roman (Byzantine) Empire were culturally influenced by it without actually being part of it (the "Byzantine commonwealth"). These included Kievan Rus', as well as some non-Orthodox states like the Republic of Venice, which separated from the Byzantine Empire in the 10th century, and the Norman-Arab-Byzantine culture, Kingdom o ...
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Roman Catholic
The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institutions and has played a prominent role in the history and development of Western civilization. O'Collins, p. v (preface). The church consists of 24 ''sui iuris'' (autonomous) churches, including the Latin Church and 23 Eastern Catholic Churches, which comprise almost 3,500 dioceses and eparchies around the world, each overseen by one or more bishops. The pope, who is the bishop of Rome, is the chief pastor of the church. The core beliefs of Catholicism are found in the Nicene Creed. The Catholic Church teaches that it is the one, holy, catholic and apostolic church founded by Jesus Christ in his Great Commission, that its bishops are the successors of Christ's apostles, and that the pope is the successor of Saint Peter, upo ...
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Republic Of Venice
The Republic of Venice, officially the Most Serene Republic of Venice and traditionally known as La Serenissima, was a sovereign state and Maritime republics, maritime republic with its capital in Venice. Founded, according to tradition, in 697 by Paolo Lucio Anafesto, over the course of its History of the Republic of Venice, 1,100 years of history it established itself as one of the major European commercial and naval powers. Initially extended in the ''Dogado'' area (a territory currently comparable to the Metropolitan City of Venice), during its history it annexed a large part of Northeast Italy, Istria, Dalmatia, the coasts of present-day Montenegro and Albania as well as numerous islands in the Adriatic Sea, Adriatic and eastern Ionian Sea, Ionian seas. At the height of its expansion, between the 13th and 16th centuries, it also governed Crete, Cyprus, the Peloponnese, a number of List of islands of Greece, Greek islands, as well as several cities and ports in the eastern Me ...
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