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Severus (Flavius Valerius Severus), Roman emperor

(Encyclopedia)Severus (Flavius Valerius Severus), d. 307, Roman emperor (306–7). He participated with Galerius in an unsuccessful attempt to overthrow Maxentius. Surrendering to Maximian (father of Maxentius) at ...

Constance, Holy Roman empress

(Encyclopedia)Constance, 1154–98, Holy Roman empress, wife of Holy Roman Emperor Henry VI; daughter of King Roger II of Sicily. She was named heiress of Sicily by her nephew King William II. On his death, however...

Ammianus Marcellinus

(Encyclopedia)Ammianus Marcellinus ămēāˈnəs märsĭlīˈnəs [key], c.330–c.400, Roman historian, b. Antioch. After retiring from a successful military career, he wrote a history of the Roman Empire as a seq...

Sol, in Roman religion

(Encyclopedia)Sol sŏl [key], in Roman religion, sun god. An ancient god of Mesopotamian origin, he was introduced (c.220) into Roman religion as Sol Invictus by emperor Heliogabalus. His worship remained an import...

Roman architecture

(Encyclopedia)Roman architecture, structures produced by the ancient Romans. Most important among the structures developed by the Romans themselves were basilicas, baths, amphitheaters, and triumphal arches. U...

Roman law

(Encyclopedia)Roman law, the legal system of Rome from the supposed founding of the city in 753 b.c. to the fall of the Byzantine Empire in a.d. 1453; it was later adopted as the basis of modern civil law. Most aut...

Terni

(Encyclopedia)Terni tārˈnē [key], city (1991 pop. 108,248), capital of Terni prov., Umbria region, central Italy, on the Nera River. Its manufactures include iron and steel, munitions, textiles, machinery, and c...

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...

Narcissus, in Roman history

(Encyclopedia)Narcissus, d. a.d. 54, secretary of the Roman Emperor Claudius I. A freedman with great influence, he revealed to Claudius the intrigue of Messalina and expedited her death (a.d. 48). The woman that N...

Syme, Sir Ronald

(Encyclopedia)Syme, Sir Ronald, 1903–89, British historian. After studying and teaching at Oxford, he served the British government in Belgrade and Ankara during World War II and taught (1942–45) at İstanbul U...