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Perkin, Sir William Henry

(Encyclopedia)Perkin, Sir William Henry, 1838–1907, English chemist. In 1856 he discovered the first aniline dye (aniline purple, known as mauve and mauveine); by founding a factory to make it, Perkin established...

Jackson, Stonewall

(Encyclopedia)Jackson, Stonewall (Thomas Jonathan Jackson), 1824–63, Confederate general, b. Clarksburg, Va. (now W.Va.), grad. West Point, 1846. With the diversion in the Shenandoah Valley a complete success...

Gettysburg campaign

(Encyclopedia)Gettysburg campaign, June–July, 1863, series of decisive battles of the U.S. Civil War. The Gettysburg battles included more than 160,000 soldiers and many camp laborers. These included thousands ...

Declaration of Independence

(Encyclopedia)Declaration of Independence, full and formal declaration adopted July 4, 1776, by representatives of the Thirteen Colonies in North America announcing the separation of those colonies from Great Brita...

Arlington National Cemetery

(Encyclopedia)Arlington National Cemetery, 420 acres (170 hectares), N Va., across the Potomac River from Washington, D.C.; est. 1864. More than 60,000 American war dead, as well as notables including Presidents Wi...

Watervliet

(Encyclopedia)Watervliet wôˌtərvlētˈ, wôˈtərvlētˌ, wŏˈ– [key], industrial city (1990 pop. 11,061), Albany co., E N.Y., on the Hudson River, opposite Troy, near the terminus of the Erie Canal; founded ...

Gordon, John Brown

(Encyclopedia)Gordon, John Brown, 1832–1904, U.S. public official and Confederate general, b. Upson co., Ga. Gordon began his Civil War service as an infantry captain and so distinguished himself through four yea...

Yang, Chen-ning

(Encyclopedia)Yang, Chen-ning chĕn-nĭng yäng [key], 1922–, American physicist, b. China, Ph.D. Univ. of Chicago, 1948. Yang was a member of the Institute for Advanced Study at Princeton, N.J. from 1949 to 1955...

Stuart, James Ewell Brown

(Encyclopedia)Stuart, James Ewell Brown (Jeb Stuart), 1833–64, Confederate cavalry commander in the American Civil War, b. Patrick co., Va. Most of his U.S. army service was with the 1st Cavalry in Kansas. On Vir...

Hill, Daniel Harvey

(Encyclopedia)Hill, Daniel Harvey, 1821–89, Confederate general in the American Civil War, b. York District, S.C. He served in the Mexican War but resigned from the army in 1849. He was professor of mathematics a...