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Orkhan

(Encyclopedia)Orkhan ôr-khänˈ [key], 1288?–1362?, Ottoman sultan (1326–1362?), son and successor of Osman I as leader of the Ottoman Turks. He defeated Byzantine Emperor Andronicus III and conquered large pa...

Batu Khan

(Encyclopedia)Batu Khan bäˈto͞o kän [key], d. 1255, Mongol leader; a grandson of Jenghiz Khan. In 1235 Batu became commander of the Mongol army assigned to the conquest of Europe; his chief general was Subutai....

Verhofstadt, Guy Maurice Marie-Louise

(Encyclopedia)Verhofstadt, Guy Maurice Marie-Louise, 1953–, Belgian political leader, prime minister of Belgium (1999–2008). A lawyer and member of the Flemish Party for Freedom and Progress (PVV; from 1991 the...

Mesolithic period

(Encyclopedia)Mesolithic period mĕzˌəlĭthˈĭk [key] or Middle Stone Age, period in human development between the end of the Paleolithic period and the beginning of the Neolithic period. It began with the end o...

pear

(Encyclopedia)pear, name for a fruit tree of the genus Pyrus of the family Rosaceae (rose family) and for its fruit, a pome. The common pear (P. communis) is one of the earliest cultivated of fruit trees, both in i...

Lechfeld

(Encyclopedia)Lechfeld lĕkhˈfĕlt [key], plain near Augsburg, S Germany, drained by the Lech River. There in 955, King (later Emperor) Otto I defeated the Magyars and stopped their expansion into central Europe. ...

moth mullein

(Encyclopedia)moth mullein, common name for the mullein Verbascum blatteria, a plant native to Europe and naturalized as a weed in the United States. It is a member of the family Scrophulariaceae (figwort family). ...

jay

(Encyclopedia)jay, common name for a number of birds of the family Corvidae (crows and jays), found in Europe, Asia, and the Americas. The best-known representatives in America are the blue jay, Cyanocitta cristata...

Beccaria, Cesare Bonesana, marchese di

(Encyclopedia)Beccaria, Cesare Bonesana, marchese di chĕˈzärā bōnāzäˈnä märkāˈzā dē bĕk-kärēˈä [key], 1738–94, Italian criminologist, economist, and jurist, b. Milan. Although of a retiring dis...

swan

(Encyclopedia)swan, common name for a large aquatic bird of both hemispheres, related to ducks and geese. It has a long, gracefully curved neck and an extremely long, convoluted trachea which makes possible its far...