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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...

Alexius V

(Encyclopedia)Alexius V (Alexius Ducas Mourtzouphlos) do͞oˈkəsmo͝ortˈso͞oflŏs [key], d. 1204, Byzantine emperor (1204), son-in-law of Alexius III. The head of the Byzantine national party, he overthrew emper...

Nicephorus II

(Encyclopedia)Nicephorus II (Nicephorus Phocas) fōˈkəs [key], c.912–969, Byzantine emperor (963–69). He was a successful general under Constantine VII and Romanus II. On Romanus' death (963) he married the e...

Romanus II

(Encyclopedia)Romanus II, 939–63, Byzantine emperor (959–63), son and successor of Constantine VII. A profligate, he came under the domination of his second wife, Theophano. She, along with the eunuch Joseph Br...

Godfrey of Bouillon

(Encyclopedia)Godfrey of Bouillon bo͞oyôNˈ [key], c.1058–1100, Crusader, duke of Lower Lorraine. He fought for Holy Roman Emperor Henry IV against Pope Gregory VII and against Rudolf of Swabia and was rewarded...

Alexius IV

(Encyclopedia)Alexius IV (Alexius Angelus), d. 1204, Byzantine emperor (1203–4), son of Isaac II. When his father was deposed, Alexius fled to Italy and then went to Germany. Encouraged by his brother-in-law, Phi...

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...

Alfonso II, king of Portugal

(Encyclopedia)Alfonso II (Alfonso the Fat), 1185–1223, king of Portugal (1211–23), son and successor of Sancho I. His reign was spent in struggles with the church and his brothers and sisters, to whom his fathe...

Demetrius II, king of Macedon

(Encyclopedia)Demetrius II, d. 229 b.c., king of Macedon (239–229 b.c.), son of Antigonus II. His reign was a confusion of wars and invasions, mostly concerned with possession of Epirus. The Aetolian League and t...