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Gustavus II

(Encyclopedia)Gustavus II (Gustavus Adolphus), 1594–1632, king of Sweden (1611–32), son and successor of Charles IX. In military organization and strategy, Gustavus was ahead of his time. While most powers re...

Hamilton, Alexander

(Encyclopedia)Hamilton, Alexander, 1755–1804, American statesman, b. Nevis, in the West Indies. By 1780 Hamilton had outlined a plan of government with a strong central authority to replace the weak system of t...

Spanish-American War

(Encyclopedia)Spanish-American War, 1898, brief conflict between Spain and the United States arising out of Spanish policies in Cuba. It was, to a large degree, brought about by the efforts of U.S. expansionists. ...

Dobruja

(Encyclopedia)Dobruja dōˈbro͝ojə, dôˈ– [key], Rom. Dobrogea, Bulg. Dobrudza, historic region, c.9,000 sq mi (23,300 sq km), SE Europe, in SE Romania and NE Bulgaria, between the lower Danube River and the B...

Himmler, Heinrich

(Encyclopedia)Himmler, Heinrich hīnˈrĭkh hĭmˈlər [key], 1900–1945, German Nazi leader. An early member of the National Socialist German Workers' (Nazi) party, Himmler took part in Adolf Hitler's “beer-hal...

ghetto

(Encyclopedia)ghetto gĕtˈō [key], originally, a section of a city in which Jews lived; it has come to mean a section of a city where members of any racial group are segregated. In the early Middle Ages the segre...

Le Châtelier's principle

(Encyclopedia)Le Châtelier's principle, chemical principle that states that if a system in equilibrium is disturbed by changes in determining factors, such as temperature, pressure, and concentration of components...

krypton

(Encyclopedia)krypton krĭpˈtŏn [key] [Gr.,=hidden], gaseous chemical element; symbol Kr; at. no. 36; at. wt. 83.798; m.p. −156.6℃; b.p. −152.3℃; density 3.73 grams per liter at STP; valence usually 0. Kr...

bipolar disorder

(Encyclopedia)bipolar disorder, formerly manic-depressive disorder or manic-depression, severe mental disorder involving manic episodes that are usually accompanied by episodes of depression. The term “manic-depr...

Vishniac, Roman

(Encyclopedia)Vishniac, Roman vĭshˈnēăk [key], 1897–1990, Russian-American biologist, photographer, linguist, art historian, and philosopher, b. Pavlosk, near St. Petersburg. Vishniac took degrees in medicine...