Establishment of the new organization was proposed by United States Secretary of State Henry Kissinger in his address to the Pilgrims Society in London on 12 December 1973. Also in December 1973, at the summit of the European Communities in Copenhagen, Danish Prime Minister Anker Jørgensen, who chaired the summit, declared that the summit found it "useful to study with other oil-consuming countries within the framework of the OECD ways of dealing with the common short and long term energy problems of consumer countries."