The Danish Association of Chartered Surveyors (DdL) is a trade union in Denmark. It has a membership of 1300, and is affiliated with the Danish Confederation of Professional Associations. 1875 (MDCCCLXXV) was a common year starting on Friday (see link for calendar). ... The Danish Confederation of Professional Associations (Danish: Akademikernes Centralorganisation or AC) is an umbrella organisation for Danish trade unions, founded in 1972. ... Frederiksberg is a municipality of Denmark. ... A Trade Union (Labour union) ... is a continuous association of wage-earners for the purpose of maintaining or improving the conditions of their employment. ... The Danish Confederation of Professional Associations (Danish: Akademikernes Centralorganisation or AC) is an umbrella organisation for Danish trade unions, founded in 1972. ...