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Orsini

(Encyclopedia)Orsini ōrsēˈnē [key], powerful Roman family that included three popes and numerous other churchmen, soldiers and statesmen. The eponymous ancestor was one Ursus. Giacinto Orsini, who became Pope C...

Mary of Burgundy

(Encyclopedia)Mary of Burgundy, 1457–82, wife of Maximilian of Austria (later Holy Roman Emperor Maximilian I), daughter and heiress of Charles the Bold of Burgundy. The marriage of Mary was a major event in Euro...

Arras, Treaty of

(Encyclopedia)Arras, Treaty of. 1 Treaty of 1435, between King Charles VII of France and Duke Philip the Good of Burgundy. Through it, France and Burgundy became reconciled. Philip deserted his English allies and r...

Cossa, Baldassare

(Encyclopedia)Cossa, Baldassare bäldäs-säˈrā kôsˈsä [key], c.1370–1419, Neapolitan churchman, antipope (1410–15; see Schism, Great) with the name John XXIII. He had a military career before entering the...

Leo III, Byzantine emperor

(Encyclopedia)Leo III (Leo the Isaurian or Leo the Syrian), c.680–741, Byzantine emperor (717–41). He was probably born in N Syria (rather than in Isauria, as once thought). He held diplomatic and military post...

Alfonso IV, king of Portugal

(Encyclopedia)Alfonso IV, 1291–1357, king of Portugal (1325–57), son and successor of Diniz. Disgruntled by the favoritism his father showed toward Alfonso's illegitimate half-brothers, Alfonso rose in revolt i...

Charles IV, king of Spain

(Encyclopedia)Charles IV, 1748–1819, king of Spain (1788–1808), second son of Charles III, whom he succeeded in place of his imbecile older brother. Unlike his father, Charles IV was an ineffective ruler and in...

Ferdinand IV, king of Naples

(Encyclopedia)Ferdinand IV, king of Naples: see Ferdinand I, king of the Two Sicilies. ...

Henry IV, king of England

(Encyclopedia)Henry IV, 1367–1413, king of England (1399–1413), eldest son of John of Gaunt and grandson of Edward III; called Henry of Bolingbroke. He founded the Lancastrian dynasty. The new king was immed...

John IV, king of Portugal

(Encyclopedia)John IV, 1604–56, king of Portugal (1640–56). He succeeded as duke of Braganza in 1630. Descended from Manuel I and in illegitimate line from John I, he had the strongest claim to the Portuguese t...