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Henry IV, Holy Roman emperor and German king

(Encyclopedia)Henry IV, 1050–1106, Holy Roman emperor (1084–1105) and German king (1056–1105), son and successor of Henry III. He was the central figure in the opening stages of the long struggle between the ...

Guibert of Ravenna

(Encyclopedia)Guibert of Ravenna gwĭbˈərt, gēbĕrˈ [key], d. 1100, Italian churchman, antipope (1080–1100) Clement III, b. Parma. As imperial chancellor of Italy (1057–63), he consistently supported the Ho...

Sylvester II

(Encyclopedia)Sylvester II, c.945–1003, pope (999–1003), a Frenchman (b. Auvergne) named Gerbert; successor of Gregory V. In his youth he studied at Muslim schools in Spain and became learned in mathematics and...

Benno, Saint

(Encyclopedia)Benno, Saint, d. 1106, German prelate. He was bishop of Meissen and an ardent supporter of Pope Gregory VII against Holy Roman Emperor Henry IV, and the emperor had him deposed. He was reinstated on G...

Gerson, John

(Encyclopedia)Gerson, John (Jean Charlier de Gerson) gûrˈsən; zhäN shärlyāˈ də zhârsôNˈ [key], 1363–1429, French ecclesiastical statesman and writer. He studied (1377–94) under Pierre d'Ailly at the ...

Calixtus II

(Encyclopedia)Calixtus II, Callixtus II, or Callistus II, d. 1124, pope (1119–24), named Guy of Burgundy, successor of Gelasius II. The son of count William I of Burgundy, he was archbishop of Vienne during the ...

Mazarin, Jules

(Encyclopedia)Mazarin, Jules zhül mäzärăNˈ [key], 1602–61, French statesman, cardinal of the Roman Catholic Church, b. Italy. His original name was Giulio Mazarini. After serving in the papal army and diplom...

Orléans, Gaston, duc d'

(Encyclopedia)Orléans, Gaston, duc d' dük dôrlāäNˈ [key], 1608–60, son of King Henry IV and Marie de' Medici, younger brother of Louis XIII. He took part in many of the conspiracies of the great nobles aga...

Nazianzen

(Encyclopedia)Nazianzen: see Gregory Nazianzen, Saint. ...

Innocent V

(Encyclopedia)Innocent V, d. 1276, pope (1276), a Savoyard named Peter of Tarentaise; successor of Gregory X. He was a Dominican and studied at Paris under St. Thomas Aquinas and St. Albertus Magnus. He became an e...