| 18 September 1961
Secretary-General Dag Hammarskjold dies in an aircraft crash while on mission to Congo.
He is awarded the Nobel Peace Prize posthumously in 1961.
Security Council Special Report on the fatal flight of the aircraft carrying Secretary-General Dag Hammarskjold.
|3 November 1961
||The General Assembly nominates U Thant as Secretary General of the United Nations.|
|7 August 1963
||Security Council votes voluntary arms embargo against South Africa.|
|4 March 1964
||Security Council approves dispatch of peacekeeping force to Cyprus.|
||UNICEF, the United Nations Children's Fund, is awarded the Nobel Peace Prize for 1965.|
|27 October 1966
||The UN General Assembly strips South Africa of its mandate to govern South-West Africa (Namibia).|
|16 December 1966
||The Security Council impose mandatory sanctions against Rhodesia (now Zimbabwe).|
|22 November 1967
||Following the six-day war in 1967, the Security Council, after lengthy negotiations, adopts resolution 242 (1967), as the basis for achieving peace in the Middle East.|
|12 June 1968
||General Assembly approves the Treaty on the Non-Proliferation of Nuclear Weapons and calls for its ratification.|
4 January 1969
||The International Convention on the Elimination of All Forms of Racial Discrimination comes into force.|
||The International Labour Organization (ILO) is awarded the Nobel Peace Prize for 1969.|