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Kalmar(käl`mär), city (1990 pop. 30,820), capital of Kalmar co. (1995 pop. 144,060), SE Sweden, on the Kalmarsund (an arm of the Baltic Sea) opposite Öland Island. It is a commercial, industrial, and tourist center and is connected by ferry with Öland. Manufactures include machinery, matches, glass, processed food, and ships. It has been an important trade center since the 8th cent. The Kalmar UnionKalmar Union,
combination of the three crowns of Denmark, Sweden, and Norway, effected at Kalmar, Sweden, by Queen Margaret I in 1397. Because the kingship was elective in all three countries, the union could not be maintained by inheritance.
..... Click the link for more information. was negotiated there in 1397. Kalmar has a 13th-century castle, Kalmar Slott, which withstood numerous sieges in the Danish-Swedish wars of the 16th–17th cent. The name is also spelled Calmar.
a city and port in southeast Sweden, on the coast of the Baltic Sea. Kalmar is the administrative center of the county (län) of the same name. Population, 39, 000 (1970). Machine-building and food industries are there. The city is linked by ferrywith Öland Island.