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Byzantine Empire
The Byzantine Empire, often called the Eastern Roman Empire or simply Byzantium, existed from 330 to 1453 CE. With its capital founded at Constantinople by Constantine I (r. 306-337 CE), the Empire varied in size over the centuries, at one...

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Byzantine Architecture
The architecture of the Byzantine Empire (4th - 15th century CE) continued its early Roman traditions but architects also added new structures to their already formidable repertoire, notably improved fortification walls and domed churches...

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Byzantine Art
Byzantine art (4th - 15th century CE) is generally characterised by a move away from the naturalism of the Classical tradition towards the more abstract and universal, there is a definite preference for two-dimensional representations, and...

Definition
Byzantine Coinage
The coinage of the Byzantine Empire continued that of its more ancient predecessors and functioned as a convenient method of payment for goods and services, especially to soldiers and officials, and as a means for people to pay their taxes...

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Byzantine Government
The government of the Byzantine Empire was headed and dominated by the emperor, but there were many other important officials who assisted in operating the finances, judiciary, military, and bureaucracy of a huge territory. Without elections...

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Byzantine Emperor
The Byzantine Emperor ruled as an absolute monarch in an institution which lasted from the 4th to 15th century CE. Aided by ministers, high-ranking nobility, and key church figures, the emperor (and sometimes empress) was commander-in-chief...

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Despotate of Epirus
The Despotate of Epirus was one of the successor states of the Byzantine Empire when it disintegrated following the Fourth Crusade's capture of Constantinople in 1204 CE. It was originally the most successful of those successor states...

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Despotate of the Morea
The Despotate of the Morea was a semi-autonomous appanage of the later Byzantine Empire. The Byzantines retook part of the Peloponnese in Southern Greece in 1262 CE, but the Morea was only officially governed by semi-autonomous despots of...

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Constantine X Doukas
Constantine X Doukas was the ruler of the Byzantine Empire from 1059 to 1067 CE. During his reign, the Byzantine Empire was attacked by emerging enemies on all sides, including the Normans in Italy and the Seljuk Turks in Armenia and Anatolia...

Definition
Romanos IV Diogenes
Romanos IV Diogenes ruled the Byzantine Empire from 1068 to 1071 CE. He was a military emperor, and his policies and campaigns served to shore up Byzantine defenses against the Seljuk Turks. However, in the aftermath of the Byzantine defeat...