United Nations Secretary-General selection it would increase the concentration of power in the United Nations. The office is subject to a term limit of two full terms. U Thant served three terms, but his first two terms were partial terms that added up to one full term. In 1981, China cast 16 vetoes against Kurt Waldheim's selection for a third term, and Waldheim eventually suspended his candidacy. Since 1981, no Secretary-General has attempted to run for a third term. The office of Secretary-General is rotated among the regional groups of the UN. Each region gets two or three consecutive terms as Secretary-General. Candidates from
1961 United Nations Secretary-General selection peacekeeping mission. On 18 September 1961, Hammarskjöld flew to Ndola in Northern Rhodesia to meet with rebel leader Moïse Tshombe of the State of Katanga. After circling the airfield twice, the airplane crashed, killing Hammarskjöld and all but one of the other occupants. The airplane crash set off a succession crisis at the United Nations, as Hammarskjöld's death required the Security Council to vote on a successor. The Soviet Union had been pushing to replace the Secretary-General with a troika, the three men to be named by each of the Three Worlds of the Cold War. The Soviets recommended that