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Castlereagh, Robert Stewart, 2d Viscount

(Encyclopedia)Castlereagh, Robert Stewart, 2d Viscount kăˈsəlrā [key], 1769–1822, British statesman, b. Ireland. Entering the Irish Parliament in 1790 and the British Parliament in 1794, he was acting chief s...

Transcarpathian Region

(Encyclopedia)Transcarpathian Region trănzˌcärpāˈthēən [key], Ukr. Zarkarpattya Oblast or Zakarpats'ka Oblast, Rus. Zakarpatskaya Oblast, administrative region (1989 pop. 1,252,000), 4,981 sq mi (12,901 sq k...

activation energy

(Encyclopedia)CE5 Energy profile of an exothermic reaction: Although the total energy of the products is less than that of the reactants, the activation energy must be added to weaken or break existing bonds bef...

carbon cycle

(Encyclopedia)CE5 Carbon cycle carbon cycle, in biology, the exchange of carbon between living organisms and the nonliving environment. Inorganic carbon dioxide in the atmosphere is converted by plants into sim...

Bismarck, Otto von

(Encyclopedia)Bismarck, Otto von bĭzˈmärk, Ger. ôˈtō fən bĭsˈmärk [key], 1815–98, German statesman, known as the Iron Chancellor. The Bismarckian era closed with the death of Emperor Frederick III. A ...

Klee, Paul

(Encyclopedia)Klee, Paul poul klā [key], 1879–1940, Swiss painter, graphic artist, and art theorist, b. near Bern. Klee's enormous production (more than 10,000 paintings, drawings, and etchings) is unique in tha...

Westphalia, Peace of

(Encyclopedia)Westphalia, Peace of, 1648, general settlement ending the Thirty Years War. It marked the end of the Holy Roman Empire as an effective institution and inaugurated the modern European state system. The...

Cage, John Milton, Jr.

(Encyclopedia)Cage, John Milton Jr., 1912–92, American composer, b. Los Angeles. A leading figure in the musical avant-garde from the late 1930s, he attended Pomona...

Scotland, Church of

(Encyclopedia)Scotland, Church of, the established national church of Scotland, Presbyterian (see Presbyterianism) in form. The first Protestants in Scotland, led by Patrick Hamilton, were predominantly Lutheran. H...