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Constantine XI, Byzantine emperor

(Encyclopedia)Constantine XI (Constantine Palaeologus), d. 1453, last Byzantine emperor (1449–53), brother and successor of John VIII. To secure Western aid against the Turkish assault on what remained of the emp...

Constantine VII, Byzantine emperor

(Encyclopedia)Constantine VII (Constantine Porphyrogenitus), 905–59, Byzantine emperor (913–59). He acceded after the brief reign of his uncle Alexander, who succeeded Constantine's father, Leo VI. A regency (9...

John V, Byzantine emperor

(Encyclopedia)John V (John Palaeologus) pālˌēŏlˈəgəs [key], 1332–91, Byzantine emperor (1341–91), son and successor of Andronicus III. Forced to fight John VI (John Cantacuzene), who usurped the throne d...

Constantine V, Byzantine emperor

(Encyclopedia)Constantine V (Constantine Copronymus), 718–75, Byzantine emperor (741–75), son and successor of Leo III. An able general and administrator, he fought successfully against the Arabs, Slavs, and Bu...

Theodore II , Byzantine emperor of Nicaea

(Encyclopedia)Theodore II (Theodore Lascaris), 1222–58, Byzantine emperor of Nicaea (1254–58), son and successor of John III. He fought the Bulgarians and temporarily regained parts of Thrace. He made Nicaea 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...

Byzantine Empire

(Encyclopedia)CE5 CE5 Byzantine Empire (c.1000) Byzantine Empire, successor state to the Roman Empire (see under Rome), also called Eastern Empire and East Roman Empire. It was named after Byzantium, which Emp...

Khosrow II

(Encyclopedia)Khosrow II (Khosrow Parviz) pärvēzˈ [key], d. 628, king of Persia of the Sassanid, or Sassanian, dynasty; grandson of Khosrow I. He is also called Chosroes II or Khosru II. He succeeded his father ...

Nicephorus II

(Encyclopedia)Nicephorus II (Nicephorus Phocas) fōˈkəs [key], c.912–969, Byzantine emperor (963–69). He was a successful general under Constantine VII and Romanus II. On Romanus' death (963) he married the e...

Alexius II

(Encyclopedia)Alexius II (Alexius Comnenus), 1168–83, Byzantine emperor (1180–83), son and successor of Manuel I. His mother, Mary of Antioch, who was regent for him, alienated the population by favoring the La...