Columbia Encyclopedia

Search results

423 results found

Troyes, Treaty of

(Encyclopedia)Troyes, Treaty of, 1420, agreement between Henry V of England, Charles VI of France, and Philip the Good of Burgundy. Its purpose, ultimately unsuccessful, was to settle the issues of the Hundred Year...

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...

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...

Edward, Lake

(Encyclopedia)Edward, Lake, or Edward Nyanza nīănˈzə, nē– [key] 830 sq mi (2,150 sq km), in the Great Rift Valley, central Africa, on the Congo-Uganda border. It lies at an altitude of c.3,000 ft (910 m), is...

Alfonso I, king of Aragón and Navarre

(Encyclopedia)Alfonso I (Alfonso the Battler) ălfŏnˈsō, äl– [key], d. 1134, king of Aragón and Navarre (1104–34), brother and successor of Peter I. The husband of Urraca, queen of Castile, he fought unsuc...

Guibert of Ravenna

(Encyclopedia)Guibert of Ravenna gwĭbˈərt, gēbĕrˈ [key], d. 1100, Italian churchman, antipope (1080–1100) Clement III, b. Parma. As imperial chancellor of Italy (1057–63), he consistently supported the Ho...

Nicephorus II

(Encyclopedia)Nicephorus II (Nicephorus Phocas) fōˈkəs [key], c.912–969, Byzantine emperor (963–69). He was a successful general under Constantine VII and Romanus II. On Romanus' death (963) he married the e...

Armagnac

(Encyclopedia)Armagnac ärmänyäkˈ [key], region and former county, SW France, in Gascony, roughly coextensive with Gers dept. Auch is the chief town. Armagnac is famous for the brandy bearing the same name. The ...

Rivas, Ángel de Saavedra, duque de

(Encyclopedia)Rivas, Ángel de Saavedra, duque de änˈhĕl ᵺā säˌävāˈᵺrä do͞oˈkā ᵺā rēˈväs [key], 1791–1865, Spanish romantic poet and dramatist. A liberal, Rivas was condemned to death and f...