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African Union

(Encyclopedia)African Union (AU), international organization established in 2002 by the nations of the former Organization of African Unity (OAU). The AU is the successor organization to the OAU, with greater power...

rainmaking

(Encyclopedia)rainmaking, production of rain by artificial means now generally disregarded, though it is probable that rainmaking hastens or increases rainfall from clouds suitable for natural rainfall. Interest in...

Dickinson, John

(Encyclopedia)Dickinson, John, 1732–1808, American patriot and statesman, b. Talbot co., Md. After studying law in Philadelphia and in London at the Middle Temple, he developed a highly successful practice in Phi...

housing

(Encyclopedia)housing, in general, living accommodations available for the inhabitants of a community. Throughout the 19th cent., with the advent of the Industrial Revolution, housing as a problem worsened as urban...

mining

(Encyclopedia)mining, extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as d...

Allen, William

(Encyclopedia)Allen, William, 1704–80, American jurist, b. Philadelphia. He and his father-in-law, Andrew Hamilton, decided the choice of Philadelphia instead of Chester as provincial capital, and he helped finan...

Concert of Europe

(Encyclopedia)Concert of Europe, term used in the 19th cent. to designate a loose agreement by the major European powers to act together on European questions of common interest. The concert emerged after the Congr...

Danbury Hatters' Case

(Encyclopedia)Danbury Hatters' Case, decided in 1908 by the U.S. Supreme Court. In 1902 the hatters' union instituted a nationwide boycott of the products of a nonunion hat manufacturer in Danbury, Conn., and the m...

Davie, William Richardson

(Encyclopedia)Davie, William Richardson, 1756–1820, American Revolutionary soldier and statesman, b. Egremont, Cumberland, England. During the American Revolution he served under Casimir Pulaski and later took pa...

AARP

(Encyclopedia)AARP, a nonprofit, nonpartisan national organization dedicated to “enriching the experience of aging”; membership is open to people age 50 or older. Founded in 1958 by Ethel Percy Andrus as Americ...