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Definition
Roman Empire
The Roman Empire, at its height (c. 117), was the most extensive political and social structure in western civilization. Building upon the foundation laid by the Roman Republic, the empire became the largest and most powerful political and...
Article
The Extent of the Roman Empire
Time has seen the rise and fall of a number of great empires - the Babylonian, the Assyrian, the Egyptian, and lastly, the Persian. Regardless of the size or skill of their army or the capabilities of their leaders, all of these empires fell...
Definition
Western Roman Empire
The Western Roman Empire is the modern-day term for the western half of the Roman Empire after it was divided in two by the emperor Diocletian (r. 284-305 CE) in c. 285/286 CE. The Romans themselves did not use this term. At its height (c...
Definition
Roman Warfare
Roman warfare was remarkably successful over many centuries and across many territories. This was due to several important factors. Italy was a peninsula not easily attacked, there was a huge pool of fighting men to draw upon, a disciplined...
Article
The Ideology of the Holy Roman Empire
"The Holy Roman Empire was in no way holy, nor Roman, nor an empire," wrote Voltaire, and this interpretation still dominates the popular imagination, so the Holy Roman Empire is treated as a bad joke, a pale parody of the glory of Rome...
Article
Fall of the Western Roman Empire
To many historians, the fall of the Western Roman Empire in the 5th century CE has always been viewed as the end of the ancient world and the onset of the Middle Ages, often improperly called the Dark Ages, despite Petrarch's assertion. Since...
Definition
Holy Roman Empire
The Holy Roman Empire officially lasted from 962 to 1806. It was one of Europe’s largest medieval and early modern states, but its power base was unstable and continually shifting. The Holy Roman Empire was not a unitary state, but a confederation...
Definition
Empire of Nicaea
The Empire of Nicaea was a successor state to the Byzantine Empire, or rather a Byzantine Empire in exile lasting from 1204 to 1261 CE. The Empire of Nicaea was founded in the aftermath of the sacking of Constantinople during the Fourth Crusade...
Definition
Byzantine Empire
The Byzantine Empire existed from 330 to 1453. It is often called the Eastern Roman Empire or simply Byzantium. The Byzantine capital was founded at Constantinople by Constantine I (r. 306-337). The Byzantine Empire varied in size over the...
Interview
Interview: Rome Strategy of Empire by James Lacey
In this interview, World History Encyclopedia sits down with author James Lacey to chat about his new book Rome: Strategy of Empire published by Oxford University Press. Kelly: Can you tell us a little bit about your background? James...