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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...

Proust, Joseph Louis

(Encyclopedia)Proust, Joseph Louis zhôzĕfˈ lwē pro͞ost [key], 1754–1826, French chemist. He was professor of chemistry at the artillery school in Segovia, Spain, and director of the laboratory of Charles IV ...

Charles III, king of Navarre

(Encyclopedia)Charles III (Charles the Good), 1361–1425, king of Navarre (1387–1425), count of Évreux; son and successor of Charles II. He settled (1404) his inherited differences with France and later tried t...

Alfonso V, king of Aragón and Sicily

(Encyclopedia)Alfonso V (Alfonso the Magnanimous), 1396–1458, king of Aragón and Sicily (1416–58) and of Naples (1443–58), count of Barcelona. He was the son of Ferdinand I, whom he succeeded in Aragón and ...

William I, king of England

(Encyclopedia)William I or William the Conqueror, 1027?–1087, king of England (1066–87). Earnest and resourceful, William was not only one of the greatest of English monarchs but a pivotal figure in European hi...

Épernon, Jean Louis de Nogaret, duc d'

(Encyclopedia)Épernon, Jean Louis de Nogaret, duc d' zhäN lwē də nōgärāˈ dük dāpĕrnôNˈ [key], 1554–1642, French nobleman. He distinguished himself during the civil wars at the beginning of the reign ...

James III, king of Scotland

(Encyclopedia)James III, 1452–88, king of Scotland (1460–88), son and successor of James II. During his minority he was under the care of his mother, Mary of Guelders, and her adviser, James Kennedy, bishop of ...

Thénard, Louis Jacques

(Encyclopedia)Thénard, Louis Jacques lwē zhäk tānärˈ [key], 1777–1857, French chemist. He became professor at the Collège de France (1802), dean of the Faculty of Sciences, Paris (1821), chancellor of the ...

Charles XI, king of Sweden

(Encyclopedia)Charles XI, 1655–97, king of Sweden (1660–97), son and successor of Charles X. Charles ascended the throne at the age of five, so a council of regency ruled until 1672. The regency ended Swedish w...

Charles I, king of Hungary

(Encyclopedia)Charles I, 1288–1342, king of Hungary (1308–42), founder of the Angevin dynasty in Hungary; grandson of Charles II of Naples, who had married a daughter of Stephen V of Hungary. On the death (1301...