Columbia Encyclopedia

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San Juan Boundary Dispute

(Encyclopedia)San Juan Boundary Dispute, controversy between the United States and Great Britain over the U.S.–British Columbia boundary. It is sometimes called the Northwest Boundary Dispute. The difficulty aros...

Regency

(Encyclopedia)Regency, in British history, the period of the last nine years (1811–20) of the reign of George III, when the king's insanity had rendered him unfit to rule and the government was vested in the prin...

Puebla, city, Mexico

(Encyclopedia)Puebla, city (1990 pop. 1,007,170), capital of Puebla state, E central Mexico. Its official name is Heroica Puebla de Zaragoza, in honor of Gen. Ignacio Zaragoza, who defeated French forces there in 1...

jade

(Encyclopedia)jade, common name for either of two minerals used as gems. The rarer variety of jade is jadeite, a sodium aluminum silicate, NaAl(SiO3)2, usually white or green in color; the green variety is the more...

Haldane, John Burdon Sanderson

(Encyclopedia)Haldane, John Burdon Sanderson hôlˈdān, –dən [key], 1892–1964, British geneticist, biologist, and popularizer of science; son of John Scott Haldane. He studied at Oxford until his studies were...

Juvenal

(Encyclopedia)Juvenal (Decimus Junius Juvenalis) jo͞oˈvənəl [key], fl. 1st to 2d cent. a.d., Roman satirical poet. His verse established a model for the satire of indignation, in contrast to the less harsh sati...

Sloan, John

(Encyclopedia)Sloan, John, 1871–1951, American painter and etcher, b. Lock Haven, Pa. He studied at the Pennsylvania Academy of the Fine Arts and worked for 12 years as an illustrator on the Philadelphia Inquirer...

Île-de-France, region, France

(Encyclopedia)Île-de-France ēl-də-fräNs [key], region and former province, N central France, in the center of the Paris basin, a fertile depression where the Marne and Ouse rivers join the Seine. Containing par...

Sherman, John

(Encyclopedia)Sherman, John, 1823–1900, American statesman, b. Lancaster, Ohio; brother of William Tecumseh Sherman. He studied law, was admitted (1844) to the bar, and practiced law several years in Mansfield, O...

Chester, city, England

(Encyclopedia)Chester, city, Cheshire West and Chester, W central England, on a sandstone height above the Dee River. It is a railroad junction. Manufactures include ...