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Macrinus

(Encyclopedia)Macrinus (Marcus Opellius Severus Macrinus) məkrīˈnəs [key], 164–218, Roman emperor (217–18). A Moorish officer, prefect of the Praetorian Guard under Caracalla, he was threatened by the emper...

triumphal arch

(Encyclopedia)CE5 Triumphal arch triumphal arch, monumental structure embodying one or more arched passages, frequently built to span a road and designed to honor a king or general or to commemorate a military ...

Maximian

(Encyclopedia)Maximian (Marcus Aurelius Valerius Maximianus) măksĭmˈēən [key], d. 310, Roman emperor, with Diocletian (286–305). An able commander, he was made caesar (subemperor) by Diocletian in 285 and au...

Ulpian

(Encyclopedia)Ulpian (Dometius Ulpianus) ŭlˈpēən [key], d. 228, Roman jurist. He was a member of the council of the jurist Papinian. As Praetorian prefect from 222, he enjoyed the favor of the emperor Alexander...

Lucius III

(Encyclopedia)Lucius III, d. 1185, pope (1181–85), a native of Lucca named Ubaldo Allucingoli; successor of Alexander III. He was a Cistercian with St. Bernard and was created a cardinal in 1141 by Innocent II. H...

Hadrian, Roman emperor

(Encyclopedia)Hadrian hāˈdrēən [key], a.d. 76–138, Roman emperor (117–138), b. Spain. His name in full was Publius Aelius Hadrianus. An orphan, he became the ward of Trajan. Hadrian distinguished himself as...

Licinius, Roman emperor

(Encyclopedia)Licinius, 250–325, Roman emperor. He became coemperor with Galerius, being given the rule of Illyricum (308); after the death of Galerius he added Greece and Thrace to his territories. He allied him...

Philip, Roman emperor

(Encyclopedia)Philip or Philip the Arabian (Marcus Julius Philippus), 204?–249, Roman emperor (244–49). He served under Gordian III against the Persians, instigated the assassination of the emperor, and conclud...

Tacitus, Roman emperor

(Encyclopedia)Tacitus (Marcus Claudius Tacitus) tăsˈĭtəs [key], d. 276, Roman emperor (275–76). An elderly senator with a reputation for honesty and vigor, he was chosen by the senate to succeed the murdered ...

Valerian, Roman emperor

(Encyclopedia)Valerian (Publius Licinius Valerianus) vəlērˈēən [key], d. after 260, Roman emperor (253–60). He held important posts, both civil and military, under the emperors Decius and Gallus. After the s...