List of All UN Peacekeeping Operations

Here’s an exhaustive list of the peacekeeping operations established by the UN since its inception.Notice how long some of the operations have lasted (and continue to last). The longest continuing peacekeeping operation is UNMOGIP, which continues to the present and was established in 1949! For the complete list, click here.

Acronym Mission name Start date Closing date
UNTSO United Nations Truce Supervision Organization May 1948 Present
UNMOGIP United Nations Military Observer Group in India and Pakistan January 1949 Present
UNEF I First United Nations Emergency Force November 1956 June 1967
UNOGIL United Nations Observation Group in Lebanon June 1958 December 1958
ONUC United Nations Operation in the Congo July 1960 June 1964
UNSF United Nations Security Force in West New Guinea October 1962 April 1963
UNYOM United Nations Yemen Observation Mission July 1963 September 1964
UNFICYP United Nations Peacekeeping Force in Cyprus March 1964 Present
DOMREP Mission of the Representative of the Secretary-General in the Dominican Republic May 1965 October 1966
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