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Southeast Asia Treaty Organization

(Encyclopedia)Southeast Asia Treaty Organization (SEATO), alliance organized (1954) under the Southeast Asia Collective Defense Treaty by representatives of Australia, France, Great Britain, New Zealand, Pakistan, ...

World Health Organization

(Encyclopedia)World Health Organization (WHO), specialized agency of the United Nations, established in 1948, with its headquarters at Geneva. WHO admits all sovereign states (including those not belonging to the U...

Organization for Economic Cooperation and Development

(Encyclopedia)Organization for Economic Cooperation and Development (OECD), international organization that came into being in 1961. It superseded the Organization for European Economic Cooperation, which had been ...

World Meteorological Organization

(Encyclopedia)World Meteorological Organization (WMO), specialized agency of the United Nations; established in 1950 with headquarters at Geneva, it became affiliated with the United Nations a year later. It replac...

International Maritime Organization

(Encyclopedia)International Maritime Organization (IMO), specialized agency of the United Nations established in 1948, with headquarters in London and 168 member nations and three associate members. IMO is one of t...

scientific notation

(Encyclopedia)scientific notation, means of expressing very large or very small numbers in a compact form that is easy to use in computations. In this notation, any number is expressed as a number between 1 and 10 ...

League of Nations

(Encyclopedia)League of Nations, former international organization, established by the peace treaties that ended World War I. Like its successor, the United Nations, its purpose was the promotion of international p...

Cultural Revolution

(Encyclopedia)Cultural Revolution, 1966–76, mass mobilization of urban Chinese youth inaugurated by Mao Zedong in an attempt to prevent the development of a bureaucratized Soviet style of Communism. Mao closed sc...

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