‘We are the United Nations,’ I remember answering. AdvertisementAs a location for the first General Assembly, the organizers settled on the Methodist Central Hall, the denomination’s headquarters. Another early prototype of the U.N. logo, designed in 1945 by an architect at the CIA’s predecessor, the OSS, oriented the United States at its center.) British Prime Minister Clement Attlee addressed the opening session of the inaugural meeting of the United Nations General Assembly in London on Jan. 10, 1946. Washington’s refusal after World War I to support the United Nations’ failed predecessor, the League of Nations, had hampered it considerably.