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Frederick I, Holy Roman emperor and German king

(Encyclopedia)Frederick I or Frederick Barbarossa bärbərôsˈə [key] [Ital.,=red beard], c.1125–90, Holy Roman emperor (1155–90) and German king (1152–90), son of Frederick of Hohenstaufen, duke of Swabia,...

Moravia

(Encyclopedia)Moravia mərāˈvēə, mō– [key], Czech Morava, Ger. Mähren, region in the E Czech Republic. The region is bordered on the W by Bohemia, on the E by the Little and White Carpathian Mts., which div...

mummy

(Encyclopedia)mummy, dead human or animal body preserved by embalming or by unusual natural conditions. As a rule mummies are from ancient times. The word is of Arabic derivation and refers primarily to the burials...

nightshade

(Encyclopedia)CE5 Nightshade, Solanum dulcamara nightshade, common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping ty...

aviation

(Encyclopedia)aviation, operation of heavier-than-air aircraft and related activities. Aviation can be conveniently divided into military aviation, air transport, and general aviation. Military aviation includes al...

William II, emperor of Germany and king of Prussia

(Encyclopedia)William II, 1859–1941, emperor of Germany and king of Prussia (1888–1918), son and successor of Frederick III and grandson of William I of Germany and of Queen Victoria of England. After the out...

internal-combustion engine

(Encyclopedia)CE5 Internal-combustion engines: In the four-stroke reciprocating engine (above), a mixture of fuel and air is taken into the chamber on the down-stroke of the piston, is compressed on the up-strok...

Confederation, Articles of

(Encyclopedia)Confederation, Articles of, in U.S. history, ratified in 1781 and superseded by the Constitution of the United States in 1789. The imperative need for unity among the new states created by the America...

knight

(Encyclopedia)knight, in ancient and medieval history, a noble who did military service as a mounted warrior. As the feudal system disintegrated, knight service was with growing frequency commuted into cash pay...

baroque, in art and architecture

(Encyclopedia)baroque bərōkˈ [key], in art and architecture, a style developed in Europe, England, and the Americas during the 17th and early 18th cent. The baroque style is characterized by an emphasis on unity...