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investiture

(Encyclopedia)investiture, in feudalism, ceremony by which an overlord transferred a fief to a vassal or by which, in ecclesiastical law, an elected cleric received the pastoral ring and staff (the symbols of spiri...

Alexius I

(Encyclopedia)Alexius I (Alexius Comnenus) əlĕkˈsēəs, kəmnēˈnəs [key], 1048–1118, Byzantine emperor (1081–1118). Under the successors of his uncle, Isaac I, the empire had fallen prey to anarchy and fo...

Clement VII, pope

(Encyclopedia)Clement VII, c.1475–1534, pope (1523–34), a Florentine named Giulio de' Medici; successor of Adrian VI. He was the nephew of Lorenzo de' Medici and was therefore first cousin of Pope Leo X. In 151...

Manfred

(Encyclopedia)Manfred mănˈfrəd, Ger. mänˈfrāt [key], c.1232–1266, king of Sicily (1258–66), the last Hohenstaufen on that throne. An illegitimate son of Holy Roman Emperor Frederick II, Manfred was regent...

Idfu

(Encyclopedia)Idfu ĕdˈ– [key], town (1986 pop. 45,737), S central Egypt, on the Nile River. It is an agricultural trade center and has paper mills and a sugar refinery. Idfu was the capital of a predynastic upp...

Arsaces

(Encyclopedia)Arsaces ärˈsəsēz [key], fl. 250 b.c., founder of the Parthian dynasty of the Arsacids, which ruled Persia from c.250 b.c. to a.d. 226. Arsaces led a successful revolt against Antiochus II of Syria...

Peter the Hermit

(Encyclopedia)Peter the Hermit, c.1050–1115, French religious leader. In 1095 he was a very successful preacher of the First Crusade (see Crusades), and he led one of its bands. In 1096 he reached Constantinople ...

Henry VI, Holy Roman emperor and German king

(Encyclopedia)Henry VI, 1165–97, Holy Roman emperor (1191–97) and German king (1190–97), son and successor of Holy Roman Emperor Frederick I (Frederick Barbarossa). He was crowned German king at Aachen in 116...

Hohenstaufen

(Encyclopedia)Hohenstaufen hōˌənshtouˈfən [key], German princely family, whose name is derived from the castle of Staufen built in 1077 by a Swabian count, Frederick. In 1079, Frederick married Agnes, daughter...