United Nations System peace and security. Its powers, outlined in the United Nations Charter, include the establishment of peacekeeping operations, the establishment of international sanctions, and the authorization of military action. Its powers are exercised through United Nations Security Council resolutions. The Security Council held its first session on 17 January 1946 at Church House, Westminster, London. Since its first meeting, the Council, which exists in continuous session, has travelled widely, holding meetings in many cities, such as Paris and Addis Ababa, as well as at its current permanent home at the United Nations Headquarters in New York City. There are 15 members
Headquarters of the United Nations Norway and was designed by the Norwegian architect Arnstein Arneberg. The oil canvas mural depicting a phoenix rising from its ashes by Norwegian artist Per Krogh hangs at the front of the room. The 39-story Secretariat Building was completed in 1952. It houses offices for the Secretary General, the Under-Secretary-General for Legal Affairs and United Nations Legal Counsel, the Under-Secretary-General for Political Affairs and Office of Disarmament Affairs, and the Department for General Assembly and Conference Management (DGACM). The library was founded with the United Nations in 1946. It was originally called the United Nations Library, later the United Nations