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Parthia

(Encyclopedia)Parthia pärˈthēə [key], ancient country of Asia, SE of the Caspian Sea. In its narrowest limits it consisted of a mountainous region intersected with fertile valleys, lying S of Hyrcania and corre...

Rothko, Mark

(Encyclopedia)Rothko, Mark rŏthˈkō [key], 1903–70, American painter, b. Dvinsk, Russia (now Daugavpils, Latvia), as Marcus Rotkovitch. His family immigrated to the United States in 1913. He was a student of Ma...

Augustus

(Encyclopedia)Augustus ôgŭsˈtəs, əgŭsˈ– [key], 63 b.c.–a.d. 14, first Roman emperor, a grandson of the sister of Julius Caesar. Named at first Caius Octavius, he became on adoption by the Julian gens (44...

Akkadian

(Encyclopedia)Akkadian əkāˈdēən [key], extinct language belonging to the East Semitic subdivision of the Semitic subfamily of the Afroasiatic family of languages (see Afroasiatic languages). Also called Assyro...

Archimedes

(Encyclopedia)Archimedes ärkĭmēˈdēz [key], 287–212 b.c., Greek mathematician, physicist, and inventor. He is famous for his work in geometry (on the circle, sphere, cylinder, and parabola), physics, mechanic...

Du Bois, W. E. B.

(Encyclopedia)Du Bois, W. E. B. (William Edward Burghardt Du Bois) dəboisˈ [key], 1868–1963, American civil-rights leader and author, b. Great Barrington, Mass., grad. Harvard (B.A., 1890; M.A., 1891; Ph.D., 18...

Dallas

(Encyclopedia)Dallas, city (2020 pop. 1,304,379), seat of Dallas co., N Tex., on the Trinity River near the junction of its three forks; inc. 1871. The third largest ...

Great Migration

(Encyclopedia)Great Migration, in U.S. history. 1 The migration of Puritans to New England from England, 1620–40, prior to the English civil war. As a result of the increasingly tyrannical rule of King Charles I ...

Engels, Friedrich

(Encyclopedia)Engels, Friedrich frēˈdrĭkh ĕngˈəls [key], 1820–95, German socialist; with Karl Marx, one of the founders of modern Communism (see communism). The son of a wealthy Rhenish textile manufacturer...

Gracchi

(Encyclopedia)Gracchi grăkˈī [key], two Roman statesmen and social reformers, sons of the consul Tiberius Sempronius Gracchus and of Cornelia. The brothers were brought up with great care by their mother. Tiberi...