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Central American Federation

(Encyclopedia)Central American Federation or Central American Union, political confederation (1825–38) of the republics of Central America—Costa Rica, Guatemala, Honduras, Nicaragua, and Salvador. United under ...

American water spaniel

(Encyclopedia)American water spaniel, breed of medium-sized sporting dog developed in the American Midwest. It stands about 17 in. (43.2 cm) high at the shoulder and weighs between 30 and 40 lb (13.6–18.1 kg). It...

American Medical Association

(Encyclopedia)American Medical Association (AMA), professional physicians' organization (founded 1847). Its goals are to protect the interests of American physicians, advance public health, and support the growth o...

American Fur Company

(Encyclopedia)American Fur Company, chartered by John Jacob Astor (1763–1848) in 1808 to compete with the great fur-trading companies in Canada—the North West Company and the Hudson's Bay Company. Astor's most ...

American Automobile Association

(Encyclopedia)American Automobile Association (AAA), federation of American automobile clubs, est. 1902. AAA provides a number of benefits to its members, including emergency road service; national and internationa...

Pan-American Highway

(Encyclopedia)Pan-American Highway, system of roads, c.16,000 mi (25,750 km) long, linking the nations of the Western Hemisphere. It was suggested at the Fifth International Conference of American States (1923) and...

American Philosophical Society

(Encyclopedia)American Philosophical Society, first scientific society in America, founded (1743) in Philadelphia. It was an outgrowth of the Junto formed (1727) by Benjamin Franklin. Franklin was the first secreta...

American Academy and Institute of Arts and Letters

(Encyclopedia)American Academy and Institute of Arts and Letters, honorary academy of notable American artists, writers, and composers. The National Institute of Arts and Letters, founded in 1898, served as the par...

American Ballet Theatre

(Encyclopedia)American Ballet Theatre (ABT), one of the foremost international dance companies of the 20th and 21st cents. It was founded in 1937 as the Mordkin Ballet and reorganized as the Ballet Theatre in 1940 ...

Pan-American games

(Encyclopedia)Pan-American games, amateur athletic competition among representatives of countries in the Western Hemisphere. The competition, held every four years, follows the organization and eligibility rules of...