The cornerstone of the UN Permanent Headquarters was laid on UN Day, 24 October 1949, at a special open-air General Assembly meeting held on the site of the Headquarters building in Manhattan, New York, which marked the Organization’s fourth anniversary. Photo shows a general view of the ceremony during President Harry S. Truman’s address. UN Photo/Albert Fox
Happy United Nations Day!
(24 October) marks the entry into force in 1945 of the . On 31 October 1947, the UN General Assembly, by , declared that the Day would be devoted to raising awareness of the goals and achievements of the Organization and gaining support for its work. In 1971, the Assembly recommended that UN Day be observed as a public holiday by all Member States ( (XXVI)).