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Leo V, Byzantine emperor

(Encyclopedia)Leo V (Leo the Armenian), d. 820, Byzantine emperor (813–20), successor of Michael I. A former general, Leo successfully defended (813) Constantinople against the Bulgars and concluded a 30-year tru...

Licinius, Roman emperor

(Encyclopedia)Licinius, 250–325, Roman emperor. He became coemperor with Galerius, being given the rule of Illyricum (308); after the death of Galerius he added Greece and Thrace to his territories. He allied him...

Byzantine music

(Encyclopedia)Byzantine music, the music of the Byzantine Empire composed to Greek texts as ceremonial, festival, or church music. Long thought to be only a further development of ancient Greek music, Byzantine mus...

emperor

(Encyclopedia)emperor [Lat. imperator=one holding supreme power, especially applied to generals], the sovereign head of an empire. In the Roman republic the term imperator referred to the chief military commander a...

Gregory II, Saint

(Encyclopedia)Gregory II, Saint, d. 731, pope (715–31), a Roman; successor of Constantine. When Byzantine Emperor Leo III tried to impose iconoclasm in Italy by an imperial edict, Gregory answered that the empero...

Cavafy, Constantine

(Encyclopedia)Cavafy, Constantine kônˌstäntēˈnôs pāˈtro͞o käväˈfēs [key], 1863–1933, Greek poet. Born in Alexandria, Egypt, he spent most of his life there, but lived for about five years in England....

Adrian IV, pope

(Encyclopedia)Adrian IV, d. 1159, pope (1154–59), an Englishman (the only English pope), b. Nicholas Breakspear at Langley, near St. Albans. He was successor of Anastasius IV. At an early age he went to France. T...

Constantine, Roman general

(Encyclopedia)Constantine, d. 411, Roman general. He was proclaimed emperor by the Roman troops in Britain in 407 and led a revolt in Gaul and Spain against the Western emperor Honorius. He conquered part of Gaul a...

Romanus II

(Encyclopedia)Romanus II, 939–63, Byzantine emperor (959–63), son and successor of Constantine VII. A profligate, he came under the domination of his second wife, Theophano. She, along with the eunuch Joseph Br...

Leo IV, Saint, pope

(Encyclopedia)Leo IV, Saint, d. 855, pope (847–55), a Roman; successor of Sergius II. He had seen the Saracen attack on Rome (846), and to prevent its recurrence he fortified the city and its suburbs. He built a ...