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Ephesus, Council of

(Encyclopedia)Ephesus, Council of, 431, 3d ecumenical council, convened by Theodosius II, emperor of the East, and Valentinian III, emperor of the West, to deal with the controversy over Nestorianism. Adherents of ...

Andropov, Yuri Vladimirovich

(Encyclopedia)Andropov, Yuri Vladimirovich yo͞oˈrē vlədyēˈmĭravĭch əndrôˈpôf [key], 1914–84, Soviet Communist leader (1982–84). As ambassador to Hungary from 1954 to 1957, he played a major role in ...

Kabila, Joseph

(Encyclopedia)Kabila, Joseph käbēˈlä [key], 1971–, Congolese political leader, eldest son of Laurent Kabila. He was educated in Tanzania while his father was in exile there, and after his father became presid...

Johnson, Robert

(Encyclopedia)Johnson, Robert, 1911–38, African-American blues singer, guitarist, and songwriter, b. Hazelhurst, Miss. A sharecropper's son, he grew up absorbing the music of Delta bluesmen, learning the harmonic...

Marcantonio, Vito

(Encyclopedia)Marcantonio, Vito vēˈtō märkăntōˈnēō [key], 1902–54, American politician, b. New York City. After the age of 18 he was active in community affairs in the Harlem section of New York City. He...

Leopold III, king of the Belgians

(Encyclopedia)Leopold III, 1901–83, king of the Belgians (1934–51), son and successor of Albert I. In 1936, Leopold announced a fundamental change in foreign policy; Belgium abandoned its military alliance with...

Aristide, Jean-Bertrand

(Encyclopedia)Aristide, Jean-Bertrand zhänˈ bĕrträndˈ äˌrēstēdˈ [key], 1953–, president of Haiti (1991, 1994–96, 2001–4). A radical Catholic priest who defended liberation theology, he worked among ...

Tusk, Donald

(Encyclopedia)Tusk, Donald to͞osk [key], 1957–, Polish political leader, prime minister of Poland (2007–14), b. Gdańsk. After studying history at Gdańsk Univ., he became active in the Solidarity movement in ...

biological diversity

(Encyclopedia)biological diversity or biodiversity, the number of species in a given habitat. Scientists have variously estimated that there are from 3 to 30 million extant species, of which 2.5 million have been c...

zaibatsu

(Encyclopedia)zaibatsu zīˈbätso͞o [key] [Jap.,=money clique], the great family-controlled banking and industrial combines of modern Japan. The leading zaibatsu (called keiretsu after World War II) are Mitsui, M...