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Duane, James Chatham

(Encyclopedia)Duane, James Chatham, 1824–97, American army engineer, b. Schenectady, N.Y., grad. Union College, 1844, and West Point, 1848; grandson of James Duane. In the Civil War he organized the engineer equi...

International Campaign to Abolish Nuclear Weapons

(Encyclopedia)International Campaign to Abolish Nuclear Weapons (ICAN), coalition of nongovernmental organizations that was formed in 2007 to advocate for the banning of nuclear weapons. It is based in Geneva, Swit...

Frederick, city, United States

(Encyclopedia)Frederick, city (2020 pop. 78,171), seat of Frederick co., NW Md.; settled 1745, inc. 1817. The processing center of a fertile farm and dairying area, i...

Sumner, Edwin Vose

(Encyclopedia)Sumner, Edwin Vose, 1797–1863, American soldier, Union general in the Civil War, b. Boston. He fought in the Black Hawk War and in the Mexican War. Made colonel of the 1st Cavalry in 1855, he was co...

Pleasonton, Alfred

(Encyclopedia)Pleasonton, Alfred, 1824–97, Union general in the American Civil War, b. Washington, D.C. He served in the Mexican War and in the Indian wars on the frontier. In the Civil War, he distinguished hims...

Gibbon, John

(Encyclopedia)Gibbon, John, 1827–96, Union general in the Civil War, b. near Holmesburg (now part of Philadelphia), Pa., grad. West Point, 1847. Made a brigadier general of volunteers (1862), he fought in the sec...

Shenandoah valley

(Encyclopedia)Shenandoah valley, part of the Great Valley of the Appalachians, c.150 mi (240 km) long, N Va., located between the Blue Ridge and the Allegheny mts. The valley is divided into two parts by Massanutte...

Hooker, Joseph

(Encyclopedia)Hooker, Joseph, 1814–79, Union general in the American Civil War, b. Hadley, Mass. After fighting the Seminole and serving in the Mexican War, Hooker resigned from the army in 1853 and was for sever...

Longstreet, James

(Encyclopedia)Longstreet, James, 1821–1904, Confederate general in the American Civil War, b. Edgefield District, S.C. He graduated (1842) from West Point and served in the Mexican War, reaching the rank of major...

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...