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Montpensier, Anne Marie Louise d'Orléans, duchesse de

(Encyclopedia)Montpensier, Anne Marie Louise d'Orléans, duchesse de än märēˈ lwēz dôrlāäNˈ düshĕsˈ də mŏpäsyāˈ [key], 1627–93, French princess, called Mademoiselle and La Grande Mademoiselle; da...

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...

Rohan, Henri, duc de

(Encyclopedia)Rohan, Henri, duc de äNrēˈ dük də rôäNˈ [key], 1579–1638, French Protestant general; son-in-law of the duc de Sully. A leader of the Huguenots, Rohan took up arms against the French governme...

Robert of Geneva

(Encyclopedia)Robert of Geneva, d. 1394, Genevan churchman, antipope (1378–94; see Schism, Great) with the name Clement VII. He was archbishop of Cambrai (1368) and was created (1371) a cardinal. He was subsequen...

Copernican system

(Encyclopedia)Copernican system, first modern European theory of planetary motion that was heliocentric, i.e., that placed the sun motionless at the center of the solar system with all the planets, including the ea...

Commagene

(Encyclopedia)Commagene kŏməjēˈnē [key], ancient district of N Syria, on the Euphrates River and S of the Taurus range, now in SE Asian Turkey. Its metropolis, Samosata, was founded by Samos, the king of Comma...

Loisy, Alfred Firmin

(Encyclopedia)Loisy, Alfred Firmin älfrĕdˈ fērmăNˈ lwäzēˈ [key], 1857–1940, French theologian, biblical critic, and leading exponent of biblical modernism. He was ordained (1879) a Roman Catholic priest ...

Pisa, Council of

(Encyclopedia)Pisa, Council of, 1409, unrecognized council of the Roman Catholic Church. It was summoned to end the Great Schism (see Schism, Great) by members of the colleges of cardinals of the two rivals, Gregor...

constellation, in astronomy

(Encyclopedia)CE5 Constellations: Southern sky CE5 Constellations: Southern sky CE5 Constellations: Southern sky constellation, in common usage, group of stars that appear to form a configuration in the...

Mercator, Gerardus

(Encyclopedia)Mercator, Gerardus gārˈhärt krāˈmər [key], 1512–94, Flemish geographer, mathematician, and cartographer. He studied in Louvain, where he had a geographical establishment (1534). From 1537 to 1...