
United Nations Flight 544 was a civilian helicopter operated by Nizhnevartovskavia that on 21 December 2012 was shot down by the South Sudanese army (SPLA) near Likuangole, South Sudan, killing all four people on board.

The United Nations Mission in the Central African Republic, more commonly known as MINURCA was a United Nations peacekeeping force in the Central African Republic. The 1350-troop mission was established by the United Nations Security Council Resolution 1159 in March 1998. It was replaced in 2000 after the Central African Republic conducted two peaceful elections, with the entirely civilian composed UN Peace-Building Support Office in the Central African Republic (BONUCA).

The United Nations Mission in the Central African Republic and Chad (MINURCAT) was a United Nations peacekeeping mission established by the United Nations Security Council on September 25, 2007 to provide a multidimensional presence of up to 350 police and military personnel to eastern Chad and north-eastern Central African Republic

The African Union-United Nations Hybrid Operation in Darfur is a joint African Union (AU) and United Nations (UN) peacekeeping mission formally approved by United Nations Security Council Resolution 1769 on 31 July 2007, to bring stability to the war-torn Darfur region of Sudan while peace talks on a final settlement continue.

The second United Nations Emergency Forces was established by United Nations General Assembly, in accordance with United Nations Security Council Resolution 340 (1973), to supervise the ceasefire between Egyptian and Israeli forces at the end of Yom Kippur War, and following of the agreement of 18 January 1974 and 4 September 1975, to supervise the redeployment of Egyptian and Israeli forces and to man and control the buffer zones established under those agreements.

The first United Nations Emergency Force (UNEF) was established by United Nations General Assembly to secure an end to the Suez Crisis with resolution 1001 (ES-I) on 7 November 1956. The force was developed in large measure as a result of efforts by UN Secretary-General Dag Hammarskjöld and a proposal and effort from Canadian Minister of External Affairs Lester B. Pearson, who would later win the Nobel Peace Prize for it. The General Assembly had approved a plan submitted by the Secretary-General which envisaged the deployment of UNEF on both sides of the armistice line. The Second United Nations Emergency Force deployed from October 1973 to July 1979.

An independence referendum was held in Eritrea between 23 and 25 April 1993. The result was 99.83% in favour, with a 98.5% turnout. Independence was declared on 27 April.

The United Nations Mission in Ethiopia and Eritrea (UNMEE) was established by the United Nations Security Council in July 2000 to monitor a ceasefire in the border war that began in 1998 between Ethiopia and Eritrea. First military troops Netherlands - Canadian battalion 'NECBAT' arrived and established bases in the region in December 2000.

The United Nations Integrated Peacebuilding Office in Guinea-Bissau (UNIOGBIS) is a United Nations peacebuilding mission in Guinea-Bissau.

The United Nations Peacebuilding Support Office in Guinea-Bissau (UNOGBIS) was established by the United Nations Security Council in its Resolution 1233 in April 1999 to facilitate the general election and implementation of the Abuja Accord.

The United Nations Operation in Côte d'Ivoire (UNOCI) was a UN-NATO peacekeeping mission in Ivory Coast whose objective was "to facilitate the implementation by the Ivorian parties of the peace agreement signed by them in January 2003". The two main Ivorian parties here are the Ivorian Government forces who control the south of the country, and the New Forces, who control the north. The UNOCI mission aims to control a "zone of confidence" across the centre of the country separating the two parties. The Head of Mission and Special Representative of the Secretary-General is Aïchatou Mindaoudou Souleymane from Niger. She has succeeded Bert Koenders from the Netherlands in 2013 who himself succeeded Choi Young-jin from South Korea in 2011. The mission officially ended on 30 June 2017.

The United Nations Mission in Liberia (UNMIL) was a peacekeeping force established in September 2003 to monitor a ceasefire agreement in Liberia following the resignation of President Charles Taylor and the conclusion of the Second Liberian Civil War. The peacekeeping mission formally withdrew on 30 March 2018. At its peak it consisted of up to 15,000 United Nations military personnel and 1,115 police officers, along with a civilian component. It superseded the United Nations Observer Mission in Liberia (UNOMIL). As of July 2016, 1,240 U.N. military and 606 police personnel remained on the ground, but were there only in case of emergency.

The United Nations Observer Mission in Liberia (UNOMIL) was a United Nations peacekeeping mission in Liberia. It was established in Resolution 866 (1993) and headquartered in the capital Monrovia.

United Nations Multidimensional Integrated Stabilization Mission in the Central African Republic is a UN peacekeeping mission, which started on April 10, 2014, to protect Central African Republic civilians under Chapter VII of the UN Charter. It transformed the 6,000-strong African Union-led peacekeeping force known as MISCA into a UN peacekeeping mission and became operational on September 15, 2014. The UN deployed a transition team to set up MINUSCA and prepare for a seamless transition of authority from MISCA to MINUSCA. As of 2016, it has more than 10,000 troops on the ground. Its role is to:support for the Pres process; facilitating humanitarian assistance; promotion and protection of human rights; support for justice and the rule of law; disarmament; demobilization; reintegration; repatriation processes.

The United Nations Operations in Mozambique was a UN peace mission to Mozambique established in December 1992 under Security Council Resolution 797 with the assignment to monitor the implementation of the Rome General Peace Accords agreed upon by the Mozambican president Joaquim Chissano (FRELIMO) and Afonso Dhlakama of RENAMO. Its mandate ended in December 1994.

The United Nations Transition Assistance Group (UNTAG) was a United Nations (UN) peacekeeping force deployed from April 1989 to March 1990 in Namibia to monitor the peace process and elections there. Namibia had been occupied by South Africa since 1915, first under a League of Nations mandate and later illegally. Since 1966, South African forces had been combating an insurgency by the People's Liberation Army of Namibia (PLAN), the military wing of the Namibian-nationalist South West African People's Organization (SWAPO). The UN Security Council passed Resolution 435 in 1978, which set out a plan for elections administered by South Africa but under UN supervision and control after a ceasefire. However, only in 1988 were the two parties able to agree to a ceasefire. As UNTAG began to deploy peacekeepers, military observers, police, and political workers, hostilities were briefly renewed on the day the transition process was supposed to begin. After a new round of negotiations, a second date was set and the elections process began in earnest. Elections for the constitutional assembly took place in November 1989. They were peaceful and declared free and fair; SWAPO won a majority of the seats. The new constitution was adopted four months later and it was followed by Namibia's official independence and the successful conclusion of UNTAG.

Operation Sangaris was a military intervention of the French military in the Central African Republic, from late 2013 till 2016. It was the seventh French military intervention there since the independence of the country in 1960. On 30 October 2016, France announced it officially ended Operation Sangaris.

The United Nations Mission in Sierra Leone (UNAMSIL) was a United Nations peacekeeping operation in Sierra Leone from 1999 to 2006. It was created by the United Nations Security Council in October 1999 to help with the implementation of the Lomé Peace Accord, an agreement intended to end the Sierra Leonean civil war. UNAMSIL expanded in size several times in 2000 and 2001. It concluded its mandate at the end of 2005, the Security Council having declared that its mission was complete.

The United Nations Observer Mission in Sierra Leone (UNOMSIL) was a United Nations peacekeeping operation in Sierra Leone from 1998 to 1999 that was established with the passage of United Nations Security Council Resolution 1181. Its mission was to monitor the military and security situation in Sierra Leone. The mission was terminated in October 1999, when the Security Council authorized deployment of a new, and significantly larger peacekeeping operation, the Nations Mission in Sierra Leone (UNAMSIL).

The United Nations Observer Mission Uganda–Rwanda (UNOMUR) was a peacekeeping mission established by the United Nations Security Council in Resolution 846 and lasted from June 1993 to September 1994. Its mission was "to monitor the border between Uganda and Rwanda and verify that no military assistance was being provided across it". It was based in Kabale, Uganda and its mandate thus covered 193 miles of border. Countries contributing to UNOMUR included Bangladesh, Botswana, Brazil, Hungary, the Netherlands, Senegal, Slovakia and Zimbabwe.

The United Nations Mission in Côte d'Ivoire was a peacekeeping mission whose objective was to facilitate the implementation of the Linas-Marcoussis Agreement, as well as establishing a military component to complement "the operations of the French and ECOWAS forces" in Côte d'Ivoire. The mission was established by United Nations Security Council Resolution 1479 on 13 May 2003. The mission was succeeded by the United Nations Operation in Côte d'Ivoire (UNOCI) on 4 April 2004.

The United Nations Mission in South Sudan (UNMISS) is a United Nations peacekeeping mission for the recently independent South Sudan, which became independent on 9 July 2011. UNMISS was established on 8 July 2011 by United Nations Security Council Resolution 1996 (2011). UNMISS is since December 2016 headed by Special Representative of the Secretary-General David Shearer who succeeded Ellen Margrethe Løj. As of May 2019, it is composed of 15,000 military personnel, 1,800 police, and 2,800 civilian workers. It is headquartered in the South Sudanese capital of Juba.

The United Nations Multidimensional Integrated Stabilization Mission in Mali is a United Nations peacekeeping mission in Mali. MINUSMA was established on 25 April 2013 by United Nations Security Council Resolution 2100 to stabilise the country after the Tuareg rebellion of 2012. It was officially deployed on 1 July, and has become the UN's most dangerous peacekeeping mission, with 209 peacekeepers killed out of a force of about 15,200.

The United Nations Support Mission in Libya (UNSMIL) is a United Nations (UN) advanced mission in Libya, created in the aftermath of the Libyan Civil War. UNSMIL is a political mission, not a military mission. The main elements of its mandate defined by the UN include supporting Libyan transitional authorities in "post-conflict efforts", providing mediation in implementing Libyan political agreements, supporting key Libyan institutions and monitoring and reporting on human rights. UNSMIL is led by the UN Department of Political Affairs.

The United Nations Mission for the Referendum in Western Sahara is the United Nations peacekeeping mission in Western Sahara, established in 1991 under United Nations Security Council Resolution 690 as part of the Settlement Plan, which had paved way for a cease-fire in the conflict between Morocco and the Polisario Front over the contested territory of Western Sahara.