Dumbarton Oaks Conference

(Wikipedia) The Dumbarton Oaks Conference or, more formally, the Washington Conversations on International Peace and Security Organization was an international conference at which the United Nations was formulated and negotiated among international leaders. The conference was held at Dumbarton Oaks from August 21, 1944 through October 7, 1944.
The conference was chaired by U.S. Undersecretary of State Edward Reilly Stettinius. The British delegation was headed by Permanent Under-Secretary of State for Foreign Affairs Sir Alexander Cadogan, while the Soviet delegation was led by Soviet Ambassador to the United States Andrei Gromyko. Continued

Image: Library of Congress