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Henry II, Holy Roman emperor and German king

(Encyclopedia)Henry II, 973–1024, Holy Roman emperor (1014–24) and German king (1002–24), last of the Saxon line. He succeeded his father as duke of Bavaria. When Otto III died without an heir, Henry, who was...

Frederick II, Holy Roman emperor and German king

(Encyclopedia)Frederick II, 1194–1250, Holy Roman emperor (1220–50) and German king (1212–20), king of Sicily (1197–1250), and king of Jerusalem (1229–50), son of Holy Roman Emperor Henry VI and of Consta...

Thessaloníki

(Encyclopedia)Thessaloníki sălənēˈkə, səlŏnˈĭkə [key], also known as Thessalonike, Thessalonica, Salonika, and Saloniki, city (1991 pop. 383,967), capital of Thessaloníki prefecture, N Greece, in Macedo...

Constans I

(Encyclopedia)Constans I kŏnˈstănz [key], b. 320 or 323, d. 350, Roman emperor, youngest son of Constantine I. At his father's death in 337 he received Italy and Africa as well as Pannonia and Dacia, while his b...

Muhammad II, Ottoman sultan

(Encyclopedia)Muhammad II or Mehmet II (Muhammad the Conqueror), 1429–81, Ottoman sultan (1451–81), son and successor of Murad II. He is considered the true founder of the Ottoman Empire (Turkey). He completed ...

Hakam II, al-

(Encyclopedia)Hakam II, al- äl-häkämˈ [key], 914–76, Umayyad caliph of Córdoba (961–76), son and successor of Abd ar-Rahman III. In the early part of his reign he successfully waged war against the Christi...

Gregory II, Saint

(Encyclopedia)Gregory II, Saint, d. 731, pope (715–31), a Roman; successor of Constantine. When Byzantine Emperor Leo III tried to impose iconoclasm in Italy by an imperial edict, Gregory answered that the empero...

Nicholas II, pope

(Encyclopedia)Nicholas II (c.1010–61), pope (1058–61), a Roman named Gerard, b. Lorraine, France; successor to Pope Stephen IX. A strong proponent of papal reform, he issued (1059) the Papal Election Decree in ...

Rulers of the Byzantine Empire (table)

(Encyclopedia)Rulers of the Byzantine Empire ...

Constantine, Roman general

(Encyclopedia)Constantine, d. 411, Roman general. He was proclaimed emperor by the Roman troops in Britain in 407 and led a revolt in Gaul and Spain against the Western emperor Honorius. He conquered part of Gaul a...