An international conference at Dumbarton Oaks in Washington, DC, when representatives of the USA, Britain, the Soviet Union, and China drew up proposals that served as the basis for the charter of the United Nations Organization formulated at the San Francisco Conference the following year. Attention at Dumbarton Oaks was focused on measures to secure ‘the maintenance of international peace and security’, and one of its main achievements was the planning of a United Nations Security Council.