A soldier from the Italian Army stands guard during the UNIFIL mission in Lebanon
Members of the United Nations
Canadian CH135 Twin Hueys assigned to the Multinational Force and Observers non-UN peacekeeping force, at El Gorah, Sinai, Egypt, 1989.
1943 sketch by Franklin Roosevelt of the UN original three branches: The Four Policemen, an executive branch, and an international assembly of forty UN member states
Members of the Azerbaijani peacekeeping forces in full combat uniform during the 2020 Moscow Victory Day Parade.
The UN in 1945: founding members in light blue, protectorates and territories of the founding members in dark blue
United Nations peacekeeping missions as of 2012
Dag Hammarskjöld was a particularly active secretary-general from 1953 until his death in 1961.
Norwegian Peacekeeper during the Siege of Sarajevo, 1992 - 1993, photo by Mikhail Evstafiev.
Kofi Annan, secretary-general from 1997 to 2006
Irish UNMIL troops on patrol in Liberia, July 2006.
Flags of member nations at the United Nations Headquarters, seen in 2007
Ghanaian women serve in UN Peacekeeping
Mikhail Gorbachev, Soviet general secretary, addressing the UN General Assembly in December 1988
Memorial in Kigali, Rwanda to ten Belgian peacekeepers of UNAMIR who were massacred by Hutu paramilitaries in 1994
Colin Powell, the US Secretary of State, demonstrates a vial with alleged Iraq chemical weapon probes to the UN Security Council on Iraq war hearings, 5 February 2003
Current secretary-general, António Guterres
The ICJ ruled that Kosovo's unilateral declaration of independence from Serbia in 2008 did not violate international law.
Under Sukarno, Indonesia became the first and only country to leave the United Nations.
A Nepalese soldier on a peacekeeping deployment providing security at a rice distribution site in Haiti during 2010
The UN Buffer Zone in Cyprus was established in 1974 following the Turkish invasion of Cyprus.
Eleanor Roosevelt with the Universal Declaration of Human Rights, 1949
Three former directors of the Global Smallpox Eradication Programme reading the news that smallpox has been globally eradicated in 1980
In Jordan, UNHCR remains responsible for the Syrian refugees and the Zaatari refugee camp.
The 2001 Nobel Peace Prize to the UN—diploma in the lobby of the UN Headquarters in New York City
Marking of the UN's 70th anniversary – Budapest, 2015

Within the United Nations (UN) group of nation-state governments and organisations, there is a general understanding that at the international level, peacekeepers monitor and observe peace processes in post-conflict areas, and may assist ex-combatants in implementing peace agreement commitments that they have undertaken.

- Peacekeeping

By the 1970s, the UN's budget for economic and social development programmes far outstripped its spending on peacekeeping.

- United Nations

4 related topics

Alpha

Chiang Kai-shek, Franklin D. Roosevelt and Winston Churchill met at the Cairo Conference in 1943 during World War II.

United Nations Security Council

Chiang Kai-shek, Franklin D. Roosevelt and Winston Churchill met at the Cairo Conference in 1943 during World War II.
British Prime Minister Winston Churchill, US President Franklin D. Roosevelt and Soviet general secretary Joseph Stalin at the Yalta Conference, February 1945
Church House in London where the first Security Council Meeting took place on 17 January 1946
US Secretary of State Colin Powell holds a model vial of anthrax while giving a presentation to the Security Council in February 2003.
United Nations Security Council members of September 2021 by political orientation of the country's head of government. Dark red: International Meeting of Communist and Workers' Parties Red: Progressive Alliance Yellow: Liberal International Blue: International Democrat Union Gray: No international affiliation or independent.
US President Barack Obama chairs a United Nations Security Council meeting.
The meeting room exhibits the United Nations Security Council mural by Per Krohg (1952).
South African soldiers patrolling as part of MONUSCO in 2018
The G4 nations: Brazil, Germany, India, Japan
The Uniting for Consensus: Italy, Pakistan, Spain, Canada, Mexico, Argentina, Turkey, South Korea and others

The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN) and is charged with ensuring international peace and security, recommending the admission of new UN members to the General Assembly, and approving any changes to the UN Charter.

Its powers include establishing peacekeeping operations, enacting international sanctions, and authorizing military action.

United Nations Transition Assistance Group

A British artillery piece as used in Southwest Africa in 1916
Map of South African Defence Force incursions into Angola, 1978–1981
Crew unload landrovers in Grootfontein for use by Finnish UNTAG troops
Martti Ahtisaari in 2007
Sam Nujoma, the leader of SWAPO, was elected Namibia's first president
Identification badge of a Foreign Observer issued during the 1989 election

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.

United Nations Mission in Sierra Leone

The United Nations Mission in Sierra Leone (UNAMSIL) was a United Nations peacekeeping operation in Sierra Leone from 1999 to 2006.

Damaged Egyptian vehicles

Suez Crisis

The Suez Crisis, or the Second Arab–Israeli war, also called the Tripartite Aggression (العدوان الثلاثي) in the Arab world and the Sinai War in Israel,

The Suez Crisis, or the Second Arab–Israeli war, also called the Tripartite Aggression (العدوان الثلاثي) in the Arab world and the Sinai War in Israel,

Damaged Egyptian vehicles
The location of the Suez Canal, which connects the Mediterranean and the Indian Ocean via the Red Sea.
Port Said, at the entrance to the Suez Canal from the Mediterranean.
Australian Prime Minister Robert Menzies led an international committee in negotiations with Nasser in September 1956, which sought to achieve international management of the Suez Canal. The mission was a failure.
Israeli AMX-13, shown here from the rear and side
Anglo-French para drops on the Suez Canal and Israeli conquest of Sinai
Israeli M4A4 Shermans were also used in the Sinai campaign.
An Israeli Air Force Meteor in flight
Israeli paratrooper near the Mitla Pass
Israeli soldiers in the Sinai wave at a passing French plane
Israeli paratroopers dig in near the Parker Memorial
Israeli AMX-13 Light tank
Ibrahim el Awal after its capture by the Israeli Navy
A battle-damaged de Havilland Sea Venom on
A Hawker Sea Hawk of 899 Naval Air Squadron, armed with rockets, about to be launched from the aircraft carrier HMS Eagle for a strike on an Egyptian airfield
Smoke rises from oil tanks beside the Suez Canal hit during the initial Anglo-French assault on Port Said, 5 November 1956.
Troops of the Parachute Regiment escort a captured Egyptian soldier at Port Said
2ème RPC paratroopers patrol in Port Said, October 1956
A British link up between the 3rd Battalion, The Parachute Regiment, and the Commandos at the Coast Guard barracks in Port Said. The paratroopers have with them a captured SU-100 tank destroyer, and the Commandos a Buffalo amphibious assault vehicle.
Presidents Eisenhower and Nasser meeting in New York, 1960
Statue of Ferdinand de Lesseps (a Frenchman who built the Suez Canal) was removed following the nationalisation of the Suez Canal in 1956.
An Israeli soldier stands next to an Egyptian gun that had blocked the Tiran Straits.

After the fighting had started, political pressure from the United States, the Soviet Union and the United Nations led to a withdrawal by the three invaders.

Lester B. Pearson, who would later become the Prime Minister of Canada, was awarded the Nobel Peace Prize in 1957 for his efforts in creating a mandate for a United Nations Peacekeeping Force, and he is considered the father of the modern concept of peacekeeping.