Past and present crises UN has dealt with

When the United Nations (UN) was born in October 1945, the world was still reeling from the devastation of the Second World War. Its founders pledged to “save succeeding generations from the scourge of war” and to promote peace, security, and cooperation among nations. Over nearly eight decades, the UN has confronted numerous crises-some it helped resolve, others it could not prevent. Its record is a mixture of remarkable successes, painful failures, and continuing struggles.
Historical Crises
The Korean War (1950-1953)

– Background: Following World War II, Korea was divided at the 38th parallel into Soviet-backed North Korea and U.S.-backed South Korea. When the North invaded the South in June 1950, it sparked the first major postwar conflict.
– UN Role: With the Soviet Union temporarily boycotting the Security Council, the UN authorized a multinational military response under U.S. command.
– Impact: The war ended in stalemate, but it was the first demonstration of UN collective security.
The Suez Crisis (1956)
– Background: Egyptian President Gamal Abdel Nasser nationalized the Suez Canal, provoking military action by Britain, France, and Israel.
– UN Intervention: Under Secretary-General Dag Hammarskjöld, the UN deployed the first large-scale peacekeeping force (UNEF) to supervise ceasefire and withdrawal.
– Significance: This established peacekeeping as a core UN function.
The Congo Crisis (1960-1964)
– Background: Congo’s independence from Belgium descended into chaos with secessionist movements and Cold War rivalries.
– UN Response: The UN Operation in the Congo (ONUC) was deployed to stabilize the country, protect civilians, and prevent foreign intervention.
– Outcome: Though criticized, ONUC laid the groundwork for later large-scale peace operations.
Arab-Israeli Wars (1967, 1973)
– Background: The Six-Day War (1967) and the Yom Kippur War (1973) deepened tensions in the Middle East.
– UN Actions: Security Council Resolution 242 (1967) called for Israeli withdrawal from occupied territories in exchange for peace-a cornerstone of later peace efforts. After 1973, the UN deployed peacekeepers (UNDOF, UNEF II) to monitor ceasefires.
The Rwandan Genocide (1994)
– Background: Longstanding ethnic tensions between Hutus and Tutsis exploded, leading to the massacre of nearly 800,000 people in 100 days.
– UN Failure: Despite warnings, the UN mission (UNAMIR) was poorly equipped and restrained by a weak mandate. Peacekeepers could not stop the killings.
– Legacy: The genocide led to widespread criticism of UN inaction and prompted reforms in peacekeeping and the development of the “Responsibility to Protect” doctrine.
The Balkan Wars (1990s)
– Background: The breakup of Yugoslavia triggered violent conflicts in Croatia, Bosnia, and Kosovo. Ethnic cleansing and mass atrocities shocked the world.
– UN Response: Peacekeepers were deployed, but they lacked authority to prevent atrocities like the Srebrenica massacre (1995), where 8,000 Bosnian Muslims were slaughtered.
– Aftermath: Eventually, NATO intervened with UN backing. The International Criminal Tribunal for the Former Yugoslavia (ICTY) was created, setting a precedent for international justice.
Present Crises Confronting UN
Russia-Ukraine Conflict (2022-present)
– Background: Russia’s full-scale invasion of Ukraine in February 2022 violated the UN Charter’s principles of sovereignty and territorial integrity.
– UN Response:
– The Security Council has been paralyzed by Russia’s veto power, blocking condemnation or enforcement actions.
– The General Assembly passed multiple resolutions (with overwhelming support) demanding Russian withdrawal.
– The International Court of Justice (ICJ) ordered Russia to suspend its military operations, though unenforceable.
– UN agencies like UNHCR and WFP are providing humanitarian aid to millions of refugees and displaced persons.
– Significance: The conflict underscores the limits of the UN when a permanent Security Council member is directly involved in aggression.
Israel-Palestinian Conflict (intensified 2023-2025)
– Background: The Israeli-Palestinian conflict remains unresolved after decades. Violence escalated dramatically in October 2023 with Hamas’ attacks on Israel, followed by Israel’s large-scale operations in Gaza.
– UN Role:
– The Security Council has been blocked by U.S. vetoes on resolutions calling for ceasefires.
– The General Assembly has passed symbolic resolutions urging humanitarian access and Palestinian rights.
– UNRWA (UN Relief and Works Agency) continues to provide aid to millions of Palestinian refugees but faces funding crises.
– Challenges: The UN’s credibility is undermined by political divisions and accusations of double standards.
Sudan and Sahel Conflicts
– Civil wars in Sudan (especially in Darfur and since the 2023 power struggle) have created humanitarian catastrophes. The UN is struggling to deliver aid amid violence.
– The Sahel region (Mali, Niger, Burkina Faso) faces insurgencies, coups, and terrorist threats, stretching UN peacekeeping operations.
Myanmar Crisis
– After the 2021 military coup, Myanmar has descended into civil war, with the junta committing atrocities.
– The UN has condemned the violence, but Security Council action is blocked by China and Russia.
Afghanistan under Taliban (since 2021)
– The Taliban’s takeover has rolled back women’s rights and plunged millions into poverty.
– UN agencies remain the primary providers of humanitarian aid, but face restrictions from Taliban authorities.
Climate Change and Global Disasters
– Unlike traditional conflicts, climate change is a slow-moving crisis threatening peace and security.
– Through the UNFCCC and annual COP summits, the UN leads global climate negotiations.
– Small island nations rely on the UN to advocate for survival against rising seas, while Africa and Asia face climate-driven famines and displacement.
Achievements and Limitations
– Achievements: The UN has pioneered peacekeeping, delivered humanitarian aid on an unprecedented scale, and established international law institutions like the ICJ and the International Criminal Court (ICC).
– Limitations: Political deadlock in the Security Council, particularly due to the veto power of permanent members (P5), often paralyzes the organization. Critics argue that the UN is only as strong as its members allow it to be.
The history of the United Nations is one of ambition tempered by political realities. It has played a central role in mediating crises-from Korea to Congo, from Suez to Rwanda, from Bosnia to Gaza and Ukraine. Its peacekeepers, agencies, and diplomats have saved millions of lives, yet its inability to prevent wars and genocides continues to tarnish its reputation.
As the UN confronts today’s crises-Ukraine, Gaza, Sudan, Myanmar, Afghanistan, and climate change-its founding promise “to save succeeding generations” remains both relevant and elusive. The organization’s future effectiveness depends on whether the international community can reform its structures, particularly the Security Council, and renew its commitment to genuine multilateralism in an increasingly divided world.