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Leo I, Byzantine emperor

(Encyclopedia)Leo I, d. 474, Byzantine or East Roman emperor (457–74). Chosen by the senate to succeed Marcian, he sought to counteract the preponderance of Germans in the Roman army by enlisting Isaurians. A nav...

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...

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 II, Byzantine emperor

(Encyclopedia)John II (John Comnenus) kŏmnēˈnəs [key], 1088–1143, Byzantine emperor (1118–43), son and successor of Alexius I. He was crowned despite the intrigues of his sister, Anna Comnena, and of his mo...

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...

Rulers of the Roman Empire (table)

(Encyclopedia)Rulers of the Roman Empire(including dates of reign) Emperors in the East(until the fall of Rome; see table entitled Rulers of the Byzantine Empireat Byzantine Empire for later emperors) Empero...

Constantine VI, Byzantine emperor

(Encyclopedia)Constantine VI, b. c.770, Byzantine emperor (780–97), son and successor of Leo IV. His mother, Irene, was regent until 790, when she was deposed by a military revolt. Constantine recalled her in 792...

Golden Horde, Empire of the

(Encyclopedia)CE5 Khanate of the Golden Horde (c.1300) Golden Horde, Empire of the, Mongol state comprising most of Russia, given as an appanage to Jenghiz Khan's oldest son, Juchi, and actually conquered and f...

Leo VI, Byzantine emperor

(Encyclopedia)Leo VI (Leo the Wise or Leo the Philosopher), 862?–912, Byzantine emperor (886–912), son and successor of Basil I. He added to the work of his father by the publication (887–93) of the Basilica,...

Constantine IV, Byzantine emperor

(Encyclopedia)Constantine IV, c.652–685, Byzantine emperor (668–85), son and successor of Constans II. He defended Constantinople against the annual naval attacks of the Muslims, who finally withdrew in 678; Gr...