Real-World Applications of UN Peacekeeping, Peacemaking, and Peace Building

When the United Nations was founded in 1945, its central promise was “to save succeeding generations from the scourge of war.” But turning that promise into action on the ground is far harder than writing it into a charter. Over the past seven decades, the UN has tried to deliver peace through three distinct but overlapping tools: peacekeeping, peacemaking, and peace building. The results have ranged from celebrated triumphs to catastrophic failures that haunt the organisation to this day. This post examines how these three approaches have actually worked in real conflicts, from the Congo to Cambodia, from Namibia to Rwanda.

Three tools for one goal 🔗

Before looking at the case studies, it helps to be clear about what each term means, because they are often confused.

Peacemaking refers to diplomatic efforts to bring hostile parties to a negotiated agreement, typically through mediation or arbitration under Chapter VI of the UN Charter. It happens through dialogue, negotiation, and dispute resolution, and it depends on the consenting cooperation of the parties involved.

Peacekeeping involves placing neutral forces, usually military personnel from several countries, between warring sides to monitor ceasefires and maintain calm while a political solution is worked out. The practice is not mentioned by name in the Charter, but it was formalised in 1956 during the Suez Crisis and these forces serve under the authority of the Security Council.

Peace building is the most ambitious and long-term of the three. Rather than simply stopping violence, it aims to repair the underlying causes of conflict by building confidence between former enemies, reforming institutions, demobilising armies, and helping rebuild police forces and judiciaries. As peacebuilding practitioners put it, peacekeeping is a placeholder, while peace building tackles the root causes of conflict and measures its success over years, not weeks.

The UN itself now admits that the boundaries between these activities have become increasingly blurred. A modern mission rarely does just one thing. It might monitor a ceasefire, broker negotiations, and rebuild a justice system all at once. This is why studying real missions tells us far more than any textbook definition can.

The early experiment: ONUC in the Congo 🔗

The Congo operation of the 1960s was the UN’s first peacekeeping mission with serious military teeth, and it set the template for how messy these interventions can become. When the Republic of the Congo became independent from Belgium in 1960, the country collapsed into chaos. Belgian troops returned, and the mineral-rich province of Katanga tried to break away.

The UN Operation in the Congo (ONUC) was originally meant to help the government restore order and secure the withdrawal of Belgian troops. But it quickly got pulled into an extraordinarily complex internal crisis. At its peak the force numbered nearly 20,000 personnel, and it eventually had to take on responsibilities that went far beyond normal peacekeeping. Between 1961 and 1962, ONUC essentially transitioned from a peacekeeping force into a military one, fighting secessionist and mercenary forces to end the Katanga breakaway.

The mission also revealed the human cost of these operations. UN Secretary-General Dag Hammarskjöld died in a plane crash while travelling to negotiate a ceasefire in the Congo. The operation ended in 1964, but it left the UN deeply cautious. Remarkably, in its first four decades the UN sponsored only one peacekeeping operation in Africa, the Congo, and did not return to the continent until the late 1980s.

The success stories 🔗

The end of the Cold War unlocked a new generation of more ambitious missions, and some of them worked remarkably well.

Namibia: a textbook transition 🔗

The UN Transition Assistance Group (UNTAG) in Namibia is often cited as the model of what a well-designed mission can achieve. Namibia had been administered by South Africa, and the UN had been pressing for the territory’s independence since 1946. UNTAG was essentially a political operation, its core mandate being to ensure free and fair elections.

To get there, it had to monitor a ceasefire, oversee the withdrawal of South African forces, and supervise the elections, tasks well beyond traditional peacekeeping. It succeeded. Shortly after midnight on 21 March 1990, the South African flag was lowered, the Namibian flag was raised, and Sam Nujoma was sworn in as president of a newly independent state. The success in Namibia encouraged the UN to launch more than seventeen operations across Africa in the 1990s.

Cambodia: governing a country 🔗

The Cambodia mission broke entirely new ground. After years of civil war and the genocidal Khmer Rouge regime, the UN Transitional Authority in Cambodia (UNTAC) took over the administration of an independent member state for the first time in UN history. It organised and ran a national election rather than just monitoring one, operated its own radio station, repatriated refugees from the Thai border, freed the press, and began the enormous task of clearing landmines.

UNTAC was widely regarded as a major success, and the UN Secretary-General has listed Cambodia among the countries that achieved durable peace with UN support. That said, it was not flawless. UNTAC abandoned the disarmament and cantonment of military forces when the Khmer Rouge refused to participate, which set the stage for continued instability after the UN left.

East Timor: from referendum to nationhood 🔗

Building directly on the Cambodian model, the UN Transitional Administration in East Timor (UNTAET) went even further. After the Timorese voted for independence from Indonesia in a 1999 referendum, the UN directly administered the entire territory from 1999 until independence on 20 May 2002. It provided an interim civil administration, kept the peace, restored public services, and helped build the institutions of a brand-new democracy. East Timor remains one of the clearest examples of peace building leading all the way to a functioning, self-governing state.

The tragedies that changed everything 🔗

If Namibia and Cambodia show what the UN can achieve, three missions in the 1990s show what happens when mandates are weak, resources thin, and political will absent.

Somalia 🔗

The Somalia operation began as a humanitarian effort to protect food aid during a devastating famine. But the mission expanded into a dangerous environment where armed clan leaders hijacked aid convoys and used relief supplies to control the population. The original Chapter VI mandate proved inadequate for the chaos on the ground. After American forces suffered casualties, the US withdrew, and the wider mission unravelled. The episode left the UN and its most powerful member deeply reluctant to commit to risky operations, a hesitation that would have deadly consequences elsewhere.

Rwanda 🔗

Rwanda is the most damning failure in UN peacekeeping history. The UN Assistance Mission for Rwanda (UNAMIR) was set up to help implement a peace agreement signed in 1993. It was designed as a classic, lightly armed Chapter VI operation that assumed the cooperation of all parties.

That assumption was catastrophically wrong. In January 1994, the force commander, Canadian General Roméo Dallaire, sent a now-famous cable, often called the “genocide fax,” warning of the risk of genocide three months before it began. He requested authorisation to seize weapons caches but was refused. When the killing started in April 1994, the Security Council declined to strengthen the mission. An independent inquiry commissioned by Kofi Annan later concluded that the UN and its member states failed Rwanda, citing the lack of resources and political will to stop the genocide. Roughly 800,000 people were slaughtered.

Srebrenica and the former Yugoslavia 🔗

The breakup of Yugoslavia produced a parallel disaster in Bosnia. The UN designated certain towns as protected “safe areas,” but it backed these promises with weak mandates and inadequate forces. In July 1995, Bosnian Serb troops overran the safe area of Srebrenica. A lightly equipped Dutch peacekeeping contingent, deployed with a mandate as weak as UNAMIR’s, was unable to stop what followed. UN and NATO officials ignored pleas for close air support, and around 8,000 Muslim men and boys were killed. The International Court of Justice later ruled that genocide had taken place there.

What the patterns reveal 🔗

Comparing these missions side by side reveals a consistent lesson. The successes shared key features: a genuine political settlement that the parties accepted, a clear and adequately resourced mandate, and enough time for peace building to take root. Namibia, Cambodia, and East Timor all had a negotiated framework in place before the blue helmets arrived.

The failures shared the opposite. In Rwanda and Srebrenica, peacekeepers were sent into situations where one side had no intention of keeping the peace, armed with rules of engagement and resources suited to monitoring a ceasefire rather than stopping mass murder. Critics also point out a subtler risk: by freezing a conflict in place without resolving it, a peacekeeping presence can remove the pressure for a political solution and create “forever wars”. Cyprus, where UN forces have patrolled a buffer zone since 1964, is sometimes cited as an example of a frozen rather than resolved conflict.

These tragedies forced genuine reform. The disasters of the 1990s led directly to new doctrine on the protection of civilians and, eventually, to the principle of the Responsibility to Protect. Modern missions are now multidimensional, protecting civilians, supporting elections, promoting human rights, and helping restore the rule of law, and they are more willing to use force to defend their mandate.

Where India fits in 🔗

This story is not a distant one. India has been at the heart of UN peacekeeping since its earliest days, beginning with a field hospital deployed during the Korean War in 1950. India is among the largest troop contributors in UN history, with more than 200,000 personnel having served across roughly 49 missions.

Indian peacekeepers served in many of the operations discussed here, including the Congo, where Indian women medical officers were deployed in the 1960s, marking a pioneering role for women in peacekeeping. That commitment has come at a cost. India has lost the highest number of peacekeepers of any contributing nation, with around 179 Indian personnel killed while serving under the UN flag. The country’s approach, rooted in its foreign policy traditions of non-violence and dialogue, has made it one of the most reliable pillars of global peace operations.

Understanding peacekeeping, peacemaking, and peace building is therefore not just an academic exercise for Indian students. It is the story of where their own soldiers, police officers, and doctors have spent decades putting these difficult ideas into practice.

What do you think? If a peace agreement does not yet exist on the ground, should the UN still deploy peacekeepers, or does doing so risk freezing a conflict without resolving it? And given the lessons of Rwanda and Srebrenica, when, if ever, is the use of force justified to protect civilians during a peacekeeping mission?

References

1. https://en.wikipedia.org/wiki/United_Nations_peacekeeping
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4. https://peacekeeping.un.org/en/terminology
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10. https://en.wikipedia.org/wiki/United_Nations_Transitional_Administration_in_East_Timor
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16. https://explaininghistory.org/2025/10/31/the-world-looked-away-the-uns-failure-in-rwanda-and-the-ghosts-of-srebrenica/
17. https://en.wikipedia.org/wiki/Indian_Army_United_Nations_peacekeeping_missions
18. https://www.pib.gov.in/PressReleasePage.aspx?PRID=2109587&reg=3&lang=2
19. https://india.un.org/en/270534-un-peacekeepers-honoured-new-delhi