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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...

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...

Claudius II

(Encyclopedia)Claudius II (Marcus Aurelius Claudius), d. 270, Roman emperor (268–70), called Gothicus. A successful general under Valerian, Claudius put down the revolt in which Gallienus was killed. He succeeded...

Constantine I, Roman emperor

(Encyclopedia)Constantine I or Constantine the Great kŏnˈstəntēn, –tīn [key], 288?–337, Roman emperor, b. Naissus (present-day Niš, Serbia). He was the son of Constantius I and Helena and was named in ful...

Constantine II, Roman emperor

(Encyclopedia)Constantine II, 316–40, Roman emperor, son of Constantine I. When the empire was divided at the death (337) of Constantine I, among the brothers Constantius II, Constans I, and Constantine II, Const...

Wenceslaus, Holy Roman emperor

(Encyclopedia)Wenceslaus, 1361–1419, Holy Roman emperor (uncrowned) and German king (1378–1400), king of Bohemia (1378–1419) as Wenceslaus IV, elector of Brandenburg (1373–76), son and successor of Emperor ...

Shapur I

(Encyclopedia)Shapur I säˈpôr [key], d.272, king of Persia (241–72), son and successor of Ardashir I, of the Sassanid, or Sassanian, dynasty. He was an able warrior king. Although he was defeated by the Roman ...

Odenathus, Septimius

(Encyclopedia)Odenathus, Septimius sĕptĭmˈēəs ŏdĭnāˈthəs [key], d. 267, king of Palmyra. His family (the Septimii) had dominated Palmyra for many years, and Odenathus by his policy of cooperation with Rom...

Roman roads

(Encyclopedia)Roman roads, ancient system of highways linking Rome with its provinces. Their primary purpose was military, but they also were of great commercial importance and brought the distant provinces in touc...

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 ...