The UN has authorized 55 peacekeeping missions. These do not include interventions authorized by the UN like the Korean War and the Gulf War. The 1990s saw the most UN peacekeeping operations to date.

Table of contents
1 1940s
2 1950s
3 1960s
4 1970s
5 1980's
6 1990s
7 2000s
8 External link

1940s

  • 1948 UN Truce Supervision Organization (UNTSO) authorized in June 1948 is the first UN peacekeeping mission.
    • Purpose: To monitor Arab-Israeli ceasefire
      • Status: Ongoing
  • 1949 UN Military Observer Group in India and Pakistan (UNMOGIP)

1950s

  • 1956 UN Emergency Force I (UNEF I), first armed peacekeepers
    • Purpose: To supervise withdrawal of troops from Suez Crisis
      • Status: Ended June 1967
  • 1958 UN Observation Group in Lebanon (UNOGIL)
    • Purpose: To prevent troops and weapons entering Lebanon during crisis
      • Status: Ended December 1958

1960s

  • 1960 UN Operation in the Congo (ONUC)
    • Purpose: To prevent foreign intervention in and preserve territory of the Congo
      • Status: Ended June 1964
  • 1962 UN Security Force in West New Guinea (West Irian) (UNSF)
    • Purpose: Monitor ceasefire during transition of West Irian from Dutch rule to Indonesian
      • Status: Ended April 1963
  • 1963 UN Yemen Observation Mission (UNYOM)
    • Purpose: Supervise disengagement of Saudi Arabia and Egypt from Yemen's civil war
      • Status: Ended September 1964
  • 1964 UN Peacekeeping Force in Cyprus (UNFICYP)
  • 1965 Mission of the Representative of the Secretary-General in the Dominican Republic (DOMREP)
    • Purpose: Monitor situation caused by rival governments in Dominican Republic
      • Status: Ended October 1966
  • 1965 UN India-Pakistan Observation Mission (UNIPOM)
    • Purpose: Supervise India-Pakistan ceasefire outside of Kashmir
      • Status: Ended March 1966

1970s

  • 1973 UN Emergency Force II (UNEF II)
    • Purpose: Supervise withdrawal of forces from Sinai after Egypt, Syria and Israel battle.
      • Status: Ended July 1979
  • 1974 UN Disengagement Observer Force (UNDOF)
    • Purpose: Maintain ceasefire between Syria and Israel in Golan Heights
      • Status: Ongoing
  • 1978 UN Interim Force in Lebanon (UNIFIL)
    • Purpose: Supervise Israeli withdrawal from Lebanon
      • Status: Ongoing

1980's

  • 1988 UN Good Offices Mission in Afghanistan and Pakistan (UNGOMAP)
    • Purpose: Enforce Afghanistan and Pakistan from mutual non-interference
      • Status: Ended March 1990
  • 1988 UN Iran-Iraq Military Observer Group (UNIIMOG)
    • Purpose: Supervise Iran-Iraq ceasefire
      • Status: Ended February 1991
  • 1989 UN Angola Verification Mission I (UNAVEM I)
    • Purpose: Supervise withdrawal of Cuban troops from Angola
      • Status: Ended June 1991
  • 1989 UN Transition Assistance Group (UNTAG)
    • Purpose: Supervise Namibia's elections and transition to independence
      • Status: Ended March 1990
  • 1989 UN Observer Group in Central America (ONUCA)
    • Purpose: Monitor ceasefire in Nicaragua
      • Status: Ended January 1992

1990s

  • 1991 UN Iraq-Kuwait Observation Mission (UNIKOM)
    • Purpose: Enforce Kuwait-Iraqi border after Gulf War
      • Status: Ended 2003
  • 1991 UN Angola Verification Mission II (UNAVEM II)
    • Purpose: Enforce ceasefire in Angolan civil war
      • Status: Ended February 1995
  • 1991 UN Observer Mission in El Salvador (ONUSAL)
    • Purpose: Enforce ceasefire in El Salvador civil war
      • Status: Ended April 1995
  • 1991 UN Mission for the Referendum in Western Sahara (MINURSO)
    • Purpose: Implement ceasefire and help promote referendum on area's future
      • Status: Ongoing
  • 1991 UN Advance Mission in Cambodia (UNAMIC)
    • Purpose: Prepare way for UN Transitional Authority in Cambodia
      • Status: Ended March 1992
  • 1992 UN Protection Force (UNPROFOR) and (UNPRODEP)
  • 1992 UN Transitional Authority in Cambodia (UNTAC)
    • Purpose: Assist reorganization of Cambodia
      • Status: September 1993
  • 1992 UN Operation in Somalia I (UNOSOM I)
    • Purpose: Enforce ceasefire, reorganized as Unified Task Force (UNITAF)
      • Status: Replaced March 1993 by UNOSOM II
  • 1992 UN Operation in Mozambique (ONUMOZ)
    • Purpose: Monitor ceasefire in Mozambique's civil war
      • Status: Ended December 1994
  • 1993 UN Operation in Somalia II (UNOSOM II)
    • Purpose: Stabilize Somalia and assist humanitarian efforts
      • Status: Ended March 1995
  • 1993 UN Observer Mission Uganda-Rwanda (UNOMUR)
    • Purpose: To enforce ceasefire between Rwanda and rebel group based in Uganda
      • Status: Ended September 1994
  • 1993 UN Observer Mission in Georgia (UNOMIG)
    • Purpose: Enforce ceasefire between Georgia and Abkhaz separatists
      • Status: Ongoing
  • 1993 UN Observer Mission in Liberia (UNOMIL)
    • Purpose: Monitor ceasefire and elections in Liberia
      • Status: Ended September 1997
  • 1993 UN Mission in Haiti (UNMIH)
    • Purpose: Stabilize Haiti after coup overturned
      • Status: Ended June 1996
  • 1993 UN Assistance Mission for Rwanda (UNAMIR)
    • Purpose: Monitor ceasefire, and after Rwanda genocide, to promote relief efforts
      • Status: Ended March 1996
  • 1994 UN Aouzou Strip Observer Group (UNASOG)
  • 1994 UN Mission of Observers in Tajikistan (UNMOT)
    • Purpose: Monitor ceasefire in Tajikistan civil war
      • Status: Ended May 2000
  • 1995 UN Angola Verification Mission III (UNAVEM III)
    • Purpose: Monitor ceasefire and disarmament
      • Status: Ends June 1997, but follow-up mission MONUA
  • 1995 UN Confidence Restoration Operation in Croatia (UNCRO)
    • Purpose: Attempts to implement ceasefire
      • Status: Ended January 1996
  • 1995 UN Preventive Deployment Force (UNPREDEP)
    • Purpose: Replaced UNPROFOR in former Yugoslav Republic of Macedonia and monitored border with Albania.
      • Status: Ended February 1999
  • 1995 UN Mission in Bosnia and Herzegovina (UNMIBH)
    • Purpose: Monitor human rights, demining, relief
      • Status: Ongoing
  • 1996 UN Transitional Administration for Eastern Slavonia, Baranja and Western Sirmium (UNTAES)
    • Purpose: Supervises integration of region into Croatia
      • Status: Ended January 1998
  • 1996 UN Mission of Observers in Prevlaka (UNMOP)
    • Purpose: Monitor demilitarization of Prevlaka peninsula, Croatia
      • Status: Ongoing
  • 1996 UN Support Mission in Haiti (UNSMIH)
    • Purpose: Modernize police and army of Haiti
      • Status: Ended July 1997
  • 1997 UN Verification Mission in Guatemala (MINUGUA)
    • Purpose: Monitor ceasefire in Guatemala's civil war
      • Status: Ended May 1997
  • 1997 UN Observer Mission in Angola (MONUA)
    • Purpose: Monitoring ceasefire and disarmament
      • Status: Ended February 1999
  • 1997 UN Transition Mission in Haiti (UNTMIH)
    • Purpose: Help stabilize Haiti
      • Status: Ended November 1997
  • 1997 UN Civilian Police Mission in Haiti (MIPONUH)
    • Purpose: Modernize Haiti's police forces
      • Status: Ended March 2000
  • 1998 UN Civilian Police Support Group
    • Purpose: Monitor Croatian police
      • Status: Ended October 1998
  • 1998 UN Mission in the Central African Republic (MINURCA)
  • 1998 UN Observer Mission in Sierra Leone (UNOMSIL)
    • Purpose: Monitor disarmament and demobilization in Sierra Leone
      • Status: Ended October 1999
  • 1999 UN Interim Administration Mission in Kosovo (UNMIK)
    • Purpose: Exercise administrative authority, including administration of justice in Kosovo
      • Status: Ongoing
  • 1999 UN Mission in Sierra Leone (UNAMSIL)
    • Purpose: Help stabilize and disarm Sierra Leone
      • Status: Ongoing
  • 1999 UN Transitional Administration in East Timor (UNTAET)
    • Purpose: Transition East Timor to independence
      • Status: Ended May 2002
  • 1999 UN Organization Mission in Democratic Republic of the Congo (MONUC)

2000s

  • 2000 UN Mission in Ethiopia and Eritrea (UNMEE)
  • 2002 United Nations Mission of Support in East Timor (UNMISET)
    • Purpose: Two-year mission while East Timor develops government
      • Status: Ongoing
  • 2003 United Nations Mission in Liberia (UNMIL)
    • Purpose: Oversee ceasefire and train national police.
      • Status: Ongoing

External link