United Nations Security Council
Along with the five permanent members, the Security Council of the United Nations has temporary members that hold their seats on a rotating basis by geographic region. Non-permanent members may be involved in global security briefings. In its first two decades, the Security Council had six non-permanent members, the first of which were Australia, Brazil, Egypt, Mexico, the Netherlands, and Poland. In 1965, the number of non-permanent members was expanded to ten.
1969 United Nations Security Council election
The 1969 United Nations Security Council election was held on 20 October 1969 during the Twenty-fourth session of the United Nations General Assembly, held at United Nations Headquarters in New York City. The General Assembly elected the Burundi, Nicaragua, Poland, Sierra Leone, and Syria, as the five new non-permanent members of the UN Security Council for two-year mandates commencing on 1 January 1970.