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Viète, François

(Encyclopedia)Viète or Vieta, François fräNswäˈ vyĕt, vyātäˈ, vīēˈtə [key], 1540–1603, French mathematician. As a founder of modern algebra, he introduced the use of letters as algebraic symbols and ...

Andorra

(Encyclopedia)CE5 Andorra äNdôrˈ [key], officially Principality of Andorra, autonomous parliamentary co-principality (2020 est. pop. 77.265), 179 sq mi (464 sq km), high in the E ...

John II, king of Poland

(Encyclopedia)John II (John Casimir), 1609–72, king of Poland (1648–68), son of Sigismund III. He was elected to succeed his brother, Ladislaus IV. The turbulent period of his reign is known in Polish history a...

Charles II, emperor of the West and king of the West Franks

(Encyclopedia)Charles II or Charles the Bald, 823–77, emperor of the West (875–77) and king of the West Franks (843–77); son of Emperor Louis I by a second marriage. The efforts of Louis to create a kingdom f...

Caroline of Brunswick

(Encyclopedia)Caroline of Brunswick, 1768–1821, consort of George IV of England. The daughter of Charles William Ferdinand, duke of Brunswick, she married George (then prince of Wales) in 1795. She bore him one d...

Sigismund

(Encyclopedia)Sigismund sĭjˈĭsmənd, sĭgˈ– [key], 1368–1437, Holy Roman emperor (1433–37), German king (1410–37), king of Hungary (1387–1437) and of Bohemia (1419–37), elector of Brandenburg (1376�...

Polish Succession, War of the

(Encyclopedia)Polish Succession, War of the, 1733–35. On the death (1733) of Augustus II of Poland, Stanislaus I sought to reascend the Polish throne. He was supported by his son-in-law, Louis XV of France. The r...

Maria Christina, 1806–78, queen of Spain

(Encyclopedia)Maria Christina märēˈä krēstēˈnä [key], 1806–78, queen of Spain, daughter of Francis I of the Two Sicilies. The fourth wife of Ferdinand VII, she persuaded him to confirm (1833) the original...

Maria Christina, 1858–1929, queen of Spain

(Encyclopedia)Maria Christina märēˈä krēstēˈnä [key], 1858–1929, queen of Spain, consort of Alfonso XII. An Austrian archduchess, she was married to Alfonso in 1879. After his death, she was regent (1886�...

Abd ar-Rahman, Muslim governor of Spain

(Encyclopedia)Abd ar-Rahman äbˌdär-rämänˈ [key], d. 732, Muslim governor of Spain (721–32). Invading Aquitaine in 732, he won a victory over the Franks at Toulouse but was defeated in the battle of Tours by...