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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...

Janus, in Roman religion

(Encyclopedia)Janus jāˈnəs [key], in Roman religion, god of beginnings. He was one of the principal Roman gods, the custodian of the universe. The first hour of the day, the first day of the month, the first mon...

Louis II, emperor of the West

(Encyclopedia)Louis II, d. 875, emperor of the West (855–75), king of Italy (844–75), son of Emperor of the West Lothair I. In 844, Lothair I designated him king of Italy and in 850 he was crowned emperor of th...

Theodore II , emperor of Ethiopia

(Encyclopedia)Theodore II, emperor of Ethiopia: see Tewodros II. ...

Tacitus, Roman historian

(Encyclopedia)Tacitus (Cornelius Tacitus), c.a.d. 55–c.a.d. 117, Roman historian. Little is known for certain of his life. He was a friend of Pliny the Younger and married the daughter of Agricola. In a.d. 97 he ...

Cicero, Roman orator

(Encyclopedia)Cicero (Marcus Tullius Cicero) sĭsˈərō [key] or Tully, 106 b.c.–43 b.c., greatest Roman orator, famous also as a politician and a philosopher. To the modern reader probably the most interesti...

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...

Charles I, emperor of Austria

(Encyclopedia)Charles I, 1887–1922, last emperor of Austria and, as Charles IV, king of Hungary (1916–18); son of Archduke Otto and grandnephew and successor of Emperor Francis Joseph. He married Zita of Bourbo...

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...

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...