 In 1979, during the Congress in Trieste, Italy, Denmark was accepted as the 10th member.There were already 15 member countries when, in 1985, during the Congress in Zandvoort, Netherlands, Guus Van der Heiden of the Netherlands succeeded Bruno Beneck as the president.When Van der Heiden died, Italian Federation President Aldo Notari was elected as the 4th president of the organization during the 1987 Congress in Barcelona.