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Chillán, Nevados de

(Encyclopedia)Chillán, Nevados de, stratovolcano complex, Bíobío region, S central Chile, in the Andes. One of the country's most active volcanoes, it consists of three overlapping peaks; the highest, at 10,538 ...

Alexander II, czar of Russia

(Encyclopedia)Alexander II, 1818–81, czar of Russia (1855–81), son and successor of Nicholas I. He ascended the throne during the Crimean War (1853–56) and immediately set about negotiating a peace (see Paris...

Consumers' Union

(Encyclopedia)Consumers' Union, product testing and rating organization founded (1936) to provide consumers with information and counsel regarding major retail goods and services. Through its monthly Consumer Repor...

disarmament, nuclear

(Encyclopedia)disarmament, nuclear, the reduction and limitation of the various nuclear weapons in the military forces of the world's nations. The atomic bombs dropped (1945) on Japan by the United States in World ...

guerrilla warfare

(Encyclopedia)guerrilla warfare gərĭlˈə [key] [Span.,=little war], fighting by groups of irregular troops (guerrillas) within areas occupied by the enemy. When guerrillas obey the laws of conventional warfare t...

San Remo, Conference of

(Encyclopedia)San Remo, Conference of, 1920, meeting with the purpose of ratifying decisions made at the Paris peace conference of May, 1919. Representatives of Great Britain, France, Italy, Japan, Greece, and Belg...

Ahmed I

(Encyclopedia)Ahmed I äˈmĕd [key], 1589–1617, Ottoman sultan (1603–17), son and successor of Muhammad III to the throne of the Ottoman Empire. The chief event of his reign was the Treaty of Zsitvatorok (1606...

Hoover, Herbert Clark

(Encyclopedia)Hoover, Herbert Clark, 1874–1964, 31st President of the United States (1929–33), b. West Branch, Iowa. Except for major speeches before the Republican conventions and a 1938 European tour, Hoove...

Amnesty International

(Encyclopedia)Amnesty International (AI,) human-rights organization founded in 1961 by Englishman Peter Benenson; it campaigns internationally against the detention of prisoners of conscience, for the fair trial of...

Limpopo, river, S Africa

(Encyclopedia)Limpopo lĭmpōˈpō [key], river, c.1,100 mi (1,770 km) long, rising in Limpopo prov., South Africa. It flows in a great arc, first north (forming part of the South Africa–Botswana border), then ea...