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balance of power

(Encyclopedia)balance of power, system of international relations in which nations seek to maintain an approximate equilibrium of power among many rivals, thus preventing the preponderance of any one state. Crucial...

Cleves, duchy of

(Encyclopedia)Cleves, duchy of, former state, W Germany, on both sides of the lower Rhine, bordering on the Netherlands. Cleves was the capital. A county from late Carolingian times, it acquired (late 14th cent.) t...

Catherine of Braganza

(Encyclopedia)Catherine of Braganza brəgănˈzə [key], 1638–1705, queen consort of Charles II of England, daughter of John IV of Portugal. She was married to Charles in 1662. As part of her dowry England secure...

chamber of commerce

(Encyclopedia)chamber of commerce, local association of business people organized to promote the welfare of their community, especially its commercial interests. Each chamber of commerce usually has an elected boar...

philosophy of science

(Encyclopedia)philosophy of science, branch of philosophy that emerged as an autonomous discipline in the 19th cent., especially through the work of Auguste Comte, J. S. Mill, and William Whewell. Several of the is...

Aymer of Valence

(Encyclopedia)Aymer of Valence āˈmər, vəlĕnsˈ, väläNsˈ [key], d. 1260, bishop of Winchester; son of Isabella (widow of King John of England) and Hugh X, count of La Marche. He was thus half-brother of King...

Azov, Sea of

(Encyclopedia)Azov, Sea of, Gr. Maiotis, Lat. Palus Maeotis, ancient Rus. Surozhskoye, northern arm of the Black Sea, c.14,000 sq mi (36,300 sq km), shared by S European Russia and E Ukraine. The shallow sea (maxim...

Pepin of Heristal

(Encyclopedia)Pepin of Heristal (Pepin II) pĕpˈĭn [key], d. 714, mayor of the palace (680–714) of the Frankish territory of Austrasia; grandson of Pepin of Landen and father of Charles Martel. After defeating...

Savoy, house of

(Encyclopedia)Savoy, house of, dynasty of Western Europe that ruled Savoy and Piedmont from the 11th cent., the kingdom of Sicily from 1714 to 1718, the kingdom of Sardinia from 1720 to 1861, and the kingdom of Ita...

Duris of Samos

(Encyclopedia)Duris of Samos do͞oˈrĭs [key], fl. 3d cent. b.c., Greek historian. A descendent of Alcibiades, Duris was tyrant of Samos for a time. He wrote Samian Chronicle—a history of Samos—and a rambling ...