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Vatican Council, Second

(Encyclopedia)Vatican Council, Second, popularly called Vatican II, 1962–65, the 21st ecumenical council (see council, ecumenical) of the Roman Catholic Church, convened by Pope John XXIII and continued under Pau...

World War I

(Encyclopedia)World War I, 1914–18, also known as the Great War, conflict, chiefly in Europe, among most of the great Western powers. It was the largest war the world had yet seen. World War I and the resul...

Vietnam War

(Encyclopedia)Vietnam War, conflict in Southeast Asia, primarily fought in South Vietnam between government forces aided by the United States and guerrilla forces aided by North Vietnam. The war began soon after th...

China Incident

(Encyclopedia)China Incident: see Sino-Japanese War, Second. ...

Nicaea, Second Council of

(Encyclopedia)Nicaea, Second Council of, 787, 7th ecumenical council, convened by Byzantine Empress Irene. Called to refute iconoclasm, the council declared that images ought to be venerated (but not worshiped) and...

war crimes

(Encyclopedia)war crimes, in international law, violations of the laws of war (see war, laws of). Those accused have been tried by their own military and civilian courts, by those of their enemy, and by expressly e...

Algerine War

(Encyclopedia)Algerine War ălˈjərēnˌ [key], early 19th-century conflict between Algiers and the United States. The Tripolitan War (1801–5) had brought a temporary halt to the pirate activities of the Barbary...

Gulf War

(Encyclopedia)Gulf War: see Persian Gulf War; Iran-Iraq War. ...

cold war

(Encyclopedia)cold war, term used to describe the shifting struggle for power and prestige between the Western powers and the Communist bloc from the end of World War II until 1989. Of worldwide proportions, the co...

Korean War

(Encyclopedia)Korean War, conflict between Communist and non-Communist forces in Korea from June 25, 1950, to July 27, 1953. At the end of World War II, Korea was divided at the 38th parallel into Soviet (North Kor...