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frontier

(Encyclopedia)frontier, in U.S. history, the border area of settlement of Europeans and their descendants; it was vital in the conquest of the land between the Atlantic and the Pacific. The importance of the westwa...

Independence

(Encyclopedia)Independence. 1 City (2020 pop. 6,064), seat of Buchanan co., NE Iowa; founded 1847. Located on the Wapsipinicon River, the town's grist mill ...

Decatur

(Encyclopedia)Decatur. 1 City (2020 pop. 57,938), seat of Morgan co., N Ala., on the Tennessee River; inc. 1826. It has shipyards, port traffic, and diverse ...

Pepys, Samuel

(Encyclopedia)Pepys, Samuel pēps [key], 1633–1703, English public official, and celebrated diarist, b. London, grad. Magdalene College, Cambridge, 1653. In 1656 he entered the service of a relative, Sir Edward M...

Rehnquist, William Hubbs

(Encyclopedia)Rehnquist, William Hubbs rĕnˈkwĭst [key], 1924–2005, American public official, 16th chief justice of the U.S. Supreme Court (1986–2005), b. Milwaukee, Wis., as William Donald Rehnquist. After r...

Welles, Gideon

(Encyclopedia)Welles, Gideon wĕlz [key], 1802–78, American statesman, b. Glastonbury, Conn. He was (1826–36) editor and part owner of the Hartford Times, one of the first New England papers to support Andrew J...

Atlanta

(Encyclopedia)Atlanta ətlănˈtə, ăt– [key], city (2020 pop. 498,715), state capital and seat of Fulton co., NW Ga., on the Chattahoochee R. and Peachtree Creek, near the Appalachi...

Lee, Robert Edward

(Encyclopedia)Lee, Robert Edward, 1807–70, general in chief of the Confederate armies in the American Civil War, b. Jan. 19, 1807, at Stratford, Westmoreland co., Va.; son of Henry (“Light-Horse Harry”) Lee. ...

ignition

(Encyclopedia)CE5 Ignition system ignition, apparatus for igniting a combustible mixture. The German engineer Nikolaus A. Otto, in his first gas engine, used flame ignition; another method was heating a metal t...

crater

(Encyclopedia)crater, circular, bowl-shaped depression on the earth's surface. (For a discussion of lunar craters, see moon.) Simple craters are bowl-shaped with a raised outer rim. Complex craters have a raised ce...