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Charles III, king of Naples

(Encyclopedia)Charles III (Charles of Durazzo), 1345–86, king of Naples (1381–86) and, as Charles II, of Hungary (1385–86); great-grandson of Charles II of Naples. Adopted as a child by Joanna I of Naples, he...

Amadeus VIII

(Encyclopedia)Amadeus VIII ămədēˈəs [key], 1383–1451, count (1391–1416) and duke (from 1416) of Savoy, antipope (1439–49) with the name Felix V. In 1434 he appointed his son regent of Savoy and retired t...

Amboise, Georges d'

(Encyclopedia)Amboise, Georges d' zhôrzh däNbwäzˈ [key], 1460–1510, French statesman, cardinal of the Roman Catholic Church. He became archbishop of Rouen in 1493. In 1498, as an intimate friend of the new ki...

Innocent II

(Encyclopedia)Innocent II, d. 1143, pope (1130–43), a Roman named Gregorio Papareschi; successor of Honorius II. He was created cardinal by Paschal II. On the death of Honorius II, a faction of the cardinals elec...

antipope

(Encyclopedia)antipope [Lat.,=against the pope], person elected pope whose election was declared uncanonical and in opposition to a canonically chosen pontiff. Important antipopes were Novatian; Clement III (see Gu...

Gregoras, Nicephorus

(Encyclopedia)Gregoras, Nicephorus nīsĕfˈərəs grĕgˈərəs [key], c.1295–c.1359, Byzantine historian and theologian, one of the most learned men of his time. Among his scientific and philosophical works is ...

Matilda, countess of Tuscany

(Encyclopedia)Matilda, 1046–1115, countess of Tuscany, called the Great Countess; supporter of Pope Gregory VII in the papal conflict with the Holy Roman emperors. Ruling over Tuscany and parts of Emilia-Romagna ...

Pazzi conspiracy

(Encyclopedia)Pazzi conspiracy pätˈtsē [key], 1478, plot against Lorenzo de' Medici (Lorenzo il Magnifico) and his brother Giuliano, designed to end the hegemony of the Medici in the Florentine state and to enla...

Calixtus III

(Encyclopedia)Calixtus III, Callixtus III, or Callistus III, 1378–1458, pope (1455–58), a Spaniard (b. Játiva) named Alonso de Borja or, in Italian, Alfonso Borgia; successor of Nicholas V. He acted as arbitr...

Borgia

(Encyclopedia)Borgia bôrˈhä [key], Spanish-Italian noble family, originally from Aragón. When Alfonso de Borja, cardinal-archbishop of Valencia, was pope as Calixtus III (1455–58), several relatives followed ...