KnowraRuud LubbersLinked fromLinked fromThe 2 pages that link to Ruud Lubbers, each with the reason it gives.All 2Related 2Maastricht TreatyRelated: As host of the December 1991 Maastricht summit, Lubbers presided over the final political agreement.Joop den UylRelated: He led the Christian Democrats during Den Uyl’s later years in opposition.