Secretary-General of the United Nations the appointee's national origin and to gender equality, although no woman has yet served as Secretary-General. The length of the term is discretionary, but all Secretaries-General since 1971 have been appointed to five-year terms. Every Secretary-General since 1961 has been re-selected for a second term, with the exception of Boutros Boutros-Ghali, who was vetoed by the United States in the 1996 selection. There is a term limit of two full terms, established when China cast a record 16 vetoes against Kurt Waldheim's third term in the 1981 selection. No Secretary-General since 1981 has attempted to secure a third term. The
1961 United Nations Secretary-General selection The United States and the United Kingdom argued that the General Assembly could act on its own to provide for the rest of Hammarskjöld's term. Several European countries suggested that the officeholder could not hold the title of Acting Secretary-General, as the selection of anyone called "Secretary-General" would require action by the Security Council. The Soviet Union, India, Ireland, and the Scandinavian countries argued that the Security Council must act to select a replacement for Hammarskjöld. Mongi Slim of Tunisia was elected President of the General Assembly on 21 September 1961. The United States came up with a plan for