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The union was founded in 1974, and in 1983 it affiliated to the Danish Trade Union Confederation. By 1997, it had 30,149 members. In January 2005, it merged into the FOA.
References
Ebbinghaus, Bernhard; Visser, Jelle (2000). Trade Unions in Western Europe Since 1945. Basingstoke: Palgrave Macmillan. p. 178. ISBN0333771125.