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Carrhae

(Encyclopedia)Carrhae kârˈē [key], Roman name for the ancient Mesopotamian city of Haran. The name Carrhae is best known because of the battle of Carrhae in 53 b.c. M. Licinius Crassus (see Crassus, family) was ...

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...

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...

Regulus, in Roman history

(Encyclopedia)Regulus (Marcus Atilius Regulus) rĕgˈyo͝oləs [key], d. c.250 b.c., Roman general in the First Punic War. While consul (267 b.c.) he conquered the Sallentini and captured Brundisium (now Brindisi)....

Louis I, emperor of the West

(Encyclopedia)Louis I or Louis the Pious, Fr. Louis le Pieux or Louis le Débonnaire, 778–840, emperor of the West (814–40), son and successor of Charlemagne. He was crowned king of Aquitaine in 781 and co-empe...

Galerius

(Encyclopedia)Galerius (Caius Galerius Valerius Maximinianus) gəlērˈēəs [key], d. 310, Roman emperor (305–10). Diocletian appointed him caesar for the eastern part of the empire in 293 (Constantius I was cae...

Gallienus

(Encyclopedia)Gallienus (Publius Licinius Valerianus Egnatius) gălˌīēˈnəs [key], d. 268, Roman emperor. He ruled as the colleague (253–60) of his father, Valerian, and alone (260–68). When his father was ...

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...