History of United Nations in Timeline

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United Nations

The United Nations (UN) is an intergovernmental organization founded in 1945 with the core mission of maintaining international peace and security. It aims to foster friendly relations among nations, promote international cooperation, and serve as a central platform for harmonizing global actions towards shared objectives. Established by the UN Charter, the organization seeks to prevent conflict, address global challenges, and uphold international law.

4 hours ago : UN Condemns US Airstrikes on Drug Boats as Breach of International Law.

The UN has accused the US of violating international law by conducting deadly airstrikes on boats in the Caribbean and Pacific, alleging extrajudicial killings. The U.N. human rights chief urges the U.S. to halt these strikes.

1919: Ratification of the Covenant of the League of Nations

In 1919, the Covenant of the League of Nations was ratified by 42 nations, which subsequently led to the League of Nations formally coming into being on January 10, 1920.

January 1920: League of Nations formally came into being

On January 10, 1920, the League of Nations formally came into being when the Covenant of the League of Nations, ratified by 42 nations in 1919, took effect. The League Council acted as an executive body directing the Assembly's business. It began with four permanent members—the United Kingdom, France, Italy, and Japan.

1933: Japanese invasion of Manchuria

In 1933, the League of Nations failed to act against the Japanese invasion of Manchuria. Forty nations voted for Japan to withdraw from Manchuria but Japan voted against it and walked out of the League instead of withdrawing from Manchuria.

1936: Ethiopian Emperor's appeal for international intervention

In 1936, the appeal for international intervention by Ethiopian Emperor Haile Selassie I at Geneva went with no avail, including when calls for economic sanctions against Italy failed. Italy and other nations left the League.

1939: Closure of the League of Nations

In 1939, the League of Nations effectively closed down after World War II broke out.

June 1941: Inter-Allied Conference in London

In June 1941, the Inter-Allied Conference in London led to the Declaration of St James's Palace, marking the first step towards the establishment of the United Nations.

August 1941: Drafting of the Atlantic Charter

In August 1941, American President Franklin Roosevelt and British Prime Minister Winston Churchill drafted the Atlantic Charter, defining goals for the post-war world.

September 1941: Inter-Allied Council in London

In September 1941, at the subsequent meeting of the Inter-Allied Council in London, the eight governments in exile of countries under Axis occupation, together with the Soviet Union and representatives of the Free French Forces, unanimously adopted adherence to the common principles of policy set forth by Britain and the United States.

December 1941: Arcadia Conference

In December 1941, Roosevelt and Churchill met at the White House for the Arcadia Conference. Also, the text of the Declaration by United Nations was drafted on 29 December 1941, by Roosevelt, Churchill, and Harry Hopkins. It incorporated Soviet suggestions but included no role for France.

1942: Signing of the "Declaration by United Nations"

On New Year's Day 1942, Roosevelt, Churchill, the Soviet Union's former Foreign Minister Maxim Litvinov, and the Chinese Premier T. V. Soong signed the "Declaration by United Nations", and the next day the representatives of twenty-two other nations added their signatures. During the war, the United Nations became the official term for the Allies. In order to join, countries had to sign the Declaration and declare war on the Axis powers.

October 1943: Moscow Conference results in the Moscow Declarations

In October 1943, the Moscow Conference resulted in the Moscow Declarations, including the Four Power Declaration on General Security. This declaration was signed by the Allied Big Four—the United States, the Soviet Union, the United Kingdom, and China—and aimed for the creation "at the earliest possible date of a general international organization". This was the first public announcement that a new international organization was being contemplated to replace the League of Nations.

August 1944: Churchill urges Roosevelt to restore France to major power status

After the liberation of Paris in August 1944, Churchill urged Roosevelt to restore France to its status of a major power.

October 1944: Dumbarton Oaks Conference

From 21 September to 7 October 1944, delegations from the Allied Big Four met at the Dumbarton Oaks Conference to formulate and negotiate the new international organization. They agreed on proposals for the aims, structure and functioning of the new organization.

February 1945: Yalta Conference

In February 1945, the conference at Yalta, and further negotiations with the Soviet Union, resolved all the issues of the new international organization.

March 1945: Additional states sign the Declaration by the United Nations

By March 1, 1945, 21 additional states had signed the Declaration by the United Nations, contributing to the growing international support for the organization.

April 1945: UN Conference on International Organization opens

On April 25, 1945, the UN Conference on International Organization opened in San Francisco, attended by 50 nations' governments and a number of non-governmental organizations, marking a significant step towards the UN's formation.

June 1945: Signing of the UN Charter

On June 1945, the United Nations was established through the signing of the UN Charter. The UN's mission was to maintain international peace and security, promote friendly relations among states, foster international cooperation, and harmonize state actions towards these goals.

June 1945: Signing of the Charter of the United Nations

On June 26, 1945, the representatives of 50 countries signed the Charter of the United Nations, completing the drafting process and paving the way for the UN's official establishment.

October 1945: UN officially comes into existence

On October 24, 1945, the UN officially came into existence upon ratification of the Charter by the five permanent members of the Security Council and by a majority of the other 46 nations.

1945: Regulation of Armaments

In 1945, regulation of armaments was included in the writing of the UN Charter to limit the use of human and economic resources for their creation.

January 1946: First meetings of the General Assembly and Security Council

In January 1946, the first meetings of the General Assembly, with 51 nations represented, and the Security Council took place in London, marking the formal start of the UN's operations.

January 1946: First Session of the General Assembly

The first session of the General Assembly convened on January 10, 1946, in the Methodist Central Hall in London. It comprised representatives of 51 nations.

1946: Creation of UNICEF

In 1946, the United Nations Children's Fund (UNICEF) was created to aid European children after the Second World War, later expanding its mission to provide aid around the world and uphold the Convention on the Rights of the Child.

November 1947: General Assembly approves resolution 181

On November 29, 1947, the General Assembly approved resolution 181, a proposal to partition Palestine into two states, with Jerusalem placed under a special international regime.

1947: First UN Peacekeeping Operations

Since 1947, the UN has carried out 71 peacekeeping operations.

September 1948: Construction of UN Headquarters begins in New York City

On September 14, 1948, construction began on the headquarters of the UN in New York City, marking a key milestone in establishing a permanent base for the organization.

1948: Universal Declaration of Human Rights Adopted

In 1948, the General Assembly adopted the Universal Declaration of Human Rights, drafted by a committee headed by Eleanor Roosevelt and René Cassin, proclaiming basic civil, political, and economic rights.

1948: UNTSO Stationed in the Middle East

UN peacekeepers with the United Nations Truce Supervision Organization (UNTSO) have been stationed in the Middle East since 1948, marking the longest-running active peacekeeping mission.

October 1949: Foundation of the People's Republic of China

Following the Chinese Civil War, the People's Republic of China (PRC) was founded on October 1, 1949, while the government of the Republic of China (ROC) retreated to Taiwan, both claiming to be the sole government of China.

July 1950: Security Council resolution authorizing a US-led coalition

On July 7, 1950, the Security Council passed a resolution authorizing a US-led coalition to repel the North Korean invasion of South Korea, in the absence of the Soviet Union.

1950: Soviet Union Boycotts the UN

In 1950, the Soviet Union boycotted the organization in protest to China's seat at the UN Security Council being given to the anti-communist Republic of China.

October 1952: Completion of the UN Headquarters in New York City

On October 9, 1952, the construction of the UN Headquarters in New York City was completed, providing a permanent base for the organization's operations.

July 1953: Signing of the Korean Armistice Agreement

On July 27, 1953, the Korean Armistice Agreement was signed, marking the end of the Korean War.

1953: Dwight D. Eisenhower's address on the UN

In his 1953 address to the United States Committee for United Nations Day, American President Dwight D. Eisenhower expressed his view that, for all its flaws, "the United Nations represents man's best organized hope to substitute the conference table for the battlefield".

1954: UN High Commissioner for Refugees wins the Nobel Peace Prize

In 1954, the UN High Commissioner for Refugees was awarded the Nobel Peace Prize.

November 1956: First UN peacekeeping force established

On November 7, 1956, the first UN peacekeeping force was established to end the Suez Crisis; however, the UN was unable to intervene against the Soviet Union's simultaneous invasion of Hungary, following the country's revolution.

1957: Lester B. Pearson awarded Nobel Peace Prize

In 1957, Lester B. Pearson, the Canadian Secretary of State for External Affairs, was awarded the Nobel Peace Prize for his role in organizing the UN's first peacekeeping force to resolve the Suez Crisis.

July 1960: UNOC established

On July 14, 1960, the UN established the United Nations Operation in the Congo (or UNOC), the largest military force of its early decades.

1960: Influx of newly independent nations

In 1960 alone, 17 new states joined the UN, 16 of them from Africa, due to the spread of decolonization.

1960: Adoption of Declaration on Independence to Colonial Countries and Peoples

In 1960, the General Assembly adopted the Declaration on the Granting of Independence to Colonial Countries and Peoples, with no votes against but abstentions from major colonial powers, marking a significant step towards decolonization.

May 1964: Katanga restored to the control of the Democratic Republic of the Congo

By May 11, 1964, the United Nations Operation in the Congo (UNOC) succeeded in bringing order to Katanga, restoring it to the control of the Democratic Republic of the Congo.

June 1964: Founding of the Group of 77

The Group of 77 (G77) was founded on June 15, 1964, by the "Joint Declaration of the Seventy-Seven Countries" issued at the United Nations Conference on Trade and Development (UNCTAD).

1965: Indonesia Withdraws from the UN

In 1965, Indonesia attempted to withdraw its membership from the United Nations, in protest to the election of Malaysia as a non-permanent member of the Security Council.

1965: UNICEF wins the Nobel Peace Prize

In 1965, UNICEF won the Nobel Peace Prize in recognition of their work.

1966: Indonesia Resumes UN Membership

After forming CONEFO as a rival to the UN, Indonesia resumed its membership in 1966.

1967: First Major Meeting of the Group of 77

In 1967, the Group of 77 held its first major meeting in Algiers, where it adopted the Charter of Algiers and established the basis for permanent institutional structures.

1969: International Labour Organization wins the Nobel Peace Prize

In 1969, the International Labour Organization won the Nobel Peace Prize in recognition of their work.

October 1971: Performance of "Hymn to the United Nations"

On October 24, 1971, the Hymn to the United Nations, with lyrics by W. H. Auden and performed by Pau Casals, was performed on the occasion of the UN's 26th anniversary.

October 1971: People's Republic of China given Chinese seat

On October 25, 1971, with opposition from the United States, but with the support of many Third World nations, the People's Republic of China was given the Chinese seat on the Security Council in place of the Republic of China (also known as Taiwan).

1971: Bangladesh Genocide

Disagreements in the Security Council are seen as having failed to prevent the Bangladesh genocide in 1971.

1971: Brian Urquhart began serving as the under-secretary-general of the UN

From 1971 to 1985, Brian Urquhart served as the under-secretary-general of the UN.

1971: UN Recognition of the PRC

In 1971, amid growing debate over the representation of the Chinese people on the mainland, the General Assembly passed a resolution recognizing the PRC as "the only legitimate representatives of China to the United Nations."

1972: Formation of the UN Environmental Programme

In 1972, the UN Environmental Programme (UNEP) was formed, marking the beginning of the UN making environmental issues a prominent part of its agenda.

1973: United Nations Security Council Resolution 1973

In 2011, NATO countries intervened in the First Libyan Civil War acting under the United Nations Security Council Resolution 1973.

November 1975: Resolution declaring Zionism to be a form of racism

On November 10, 1975, a bloc comprising the Soviet Union and Third World nations passed a resolution, over strenuous American and Israeli opposition, declaring Zionism to be a form of racism.

1976: Establishment of the Joint Inspection Unit

In 1976, the General Assembly established the Joint Inspection Unit to seek out inefficiencies within the UN system.

1979: Adoption of Convention on Discrimination Against Women

In 1979, the General Assembly adopted the Convention on the Elimination of All Forms of Discrimination against Women, marking a significant step towards gender equality and women's rights on a global scale.

1980: WHO Announces Eradication of Smallpox

In 1980, the World Health Organization (WHO) announced that the eradication of smallpox had been completed, marking a monumental achievement in global health and disease control.

1981: UN High Commissioner for Refugees wins the Nobel Peace Prize

In 1981, the UN High Commissioner for Refugees was awarded the Nobel Peace Prize, becoming one of only two recipients to win the prize twice.

1984: United States withdraws funding from UNESCO

In 1984, American President Ronald Reagan withdrew the United States' funding from the United Nations Educational, Scientific and Cultural Organization (or UNESCO) over allegations of mismanagement, followed by the United Kingdom and Singapore.

1985: Brian Urquhart ceased serving as the under-secretary-general of the UN

From 1971 to 1985, Brian Urquhart served as the under-secretary-general of the UN.

1988: Increase in Security Council resolutions

Between 1988 and 2000, the number of adopted Security Council resolutions more than doubled, and the peacekeeping budget increased more than tenfold.

1988: Start of the Somali Civil War

In 1988, the Somali civil war began, which Mohamed Sahnoun claimed presented the UN with missed opportunities to prevent major human tragedies, according to his 1994 book.

1988: UN Peacekeeping Forces win the Nobel Peace Prize

In 1988, the UN Peacekeeping Forces won the Nobel Peace Prize in recognition of their work.

1988: Nobel Peace Prize for Peacekeeping Forces

In 1988, the UN Peacekeeping forces as a whole received the Nobel Peace Prize.

1988: Establishment of Intergovernmental Panel on Climate Change

In 1988, the UNEP and the World Meteorological Organization established the Intergovernmental Panel on Climate Change (IPCC), to assess and report on research on global warming.

1989: Adoption of Convention on the Rights of the Child

In 1989, the Convention on the Rights of the Child was adopted by the General Assembly, establishing international standards for the protection and well-being of children worldwide.

January 1991: Fall of the Siad Barre Regime

In January 1991, the Siad Barre regime fell, which Mohamed Sahnoun claimed presented the UN with missed opportunities to prevent major human tragedies, according to his 1994 book.

December 1991: Repeal of resolution declaring Zionism to be a form of racism

On December 16, 1991, shortly after the end of the Cold War, the 1975 resolution declaring Zionism to be a form of racism was repealed.

1991: UN authorizes US-led coalition against Iraq's invasion of Kuwait

In 1991, the UN authorized a US-led coalition that repulsed Iraq's invasion of Kuwait.

1992: Boutros Boutros-Ghali initiated a reform of the Secretariat

Boutros Boutros-Ghali, the secretary-general from 1992 to 1996, initiated a reform of the Secretariat, somewhat reducing the size of the organization.

1992: Earth Summit in Rio de Janeiro

In 1992, the Earth Summit was held in Rio de Janeiro, Brazil, seeking to give new impetus to UN environmental efforts following a lack of success in the first two decades.

1992: UN intervention in Somalia

In 1992, the UN intervention in Somalia failed. According to Mohamed Sahnoun, the UN was outperformed by NGOs, and this failure was analyzed in his 1994 book.

1993: Formation of the United Nations Commission on Human Rights

In 1993, following the World Conference on Human Rights, the United Nations Commission on Human Rights was formed to oversee human rights issues for the UN, aiming to strengthen the organization's role in promoting and protecting human rights globally.

November 1994: Trusteeship Council Suspends Operations

On November 1, 1994, the Trusteeship Council suspended its operations upon the independence of Palau, the last remaining UN trustee territory.

1994: Rwandan Genocide

Disagreements in the Security Council are seen as having failed to prevent the Rwandan genocide in 1994.

1994: Publication of "Somalia: The Missed Opportunities"

In 1994, Mohamed Sahnoun published "Somalia: The Missed Opportunities", analyzing the failure of the 1992 UN intervention in Somalia.

1994: Establishment of the Office of Internal Oversight Services

In 1994, the Office of Internal Oversight Services (OIOS) was established by the General Assembly to serve as an efficiency watchdog.

1994: UN Assistance Mission for Rwanda failed to intervene

In 1994, the UN Assistance Mission for Rwanda failed to intervene in the Rwandan genocide amidst indecision in the Security Council.

1996: Boutros Boutros-Ghali was secretary-general

Boutros Boutros-Ghali, the secretary-general from 1992 to 1996, initiated a reform of the Secretariat, somewhat reducing the size of the organization.

1997: American Sovereignty Restoration Act Amendment Vote

In 1997, an amendment containing the American Sovereignty Restoration Act received a floor vote in the United States Congress, with 54 representatives voting in favor.

1999: Kosovo Force authorized by the UN

In 1999, the United Nations Security Council Resolution 1244 authorized the NATO-led Kosovo Force.

December 2000: Revision of the scale of assessments

In December 2000, the Assembly revised the scale of assessments in response to pressure from the United States. As part of that revision, the regular budget ceiling was reduced from 25% to 22%.

2000: Increase in Security Council resolutions

Between 1988 and 2000, the number of adopted Security Council resolutions more than doubled, and the peacekeeping budget increased more than tenfold.

2000: Agreement on Millennium Development Goals

In 2000, the 192 UN member states agreed to achieve eight Millennium Development Goals by 2015, focusing on poverty reduction, education, health, and environmental sustainability.

2000: Millennium Summit

The Millennium Summit was held in 2000. World leaders adopted the Millennium Development Goals (MDGs), committing to international development in areas such as poverty reduction, gender equality, and public health.

2001: UN wins the Nobel Peace Prize

In 2001, the UN as a whole was awarded the Nobel Peace Prize, sharing it with Annan.

2001: Invasion of Afghanistan overseen by NATO

In 2001, the invasion of Afghanistan was overseen by NATO, with international interventions taking various forms.

2002: First Session of UN Permanent Forum on Indigenous Issues

In 2002, the UN Permanent Forum on Indigenous Issues, one of three bodies with a mandate to oversee issues related to indigenous peoples, held its first session, marking a milestone in addressing the rights and concerns of indigenous populations within the UN system.

February 2003: George W. Bush's statement on the UN

In February 2003, American President George W. Bush stated that "free nations will not allow the UN to fade into history as an ineffective, irrelevant debating society.", referring to UN uncertainty towards Iraqi provocations under the Saddam Hussein regime.

2003: United States invaded Iraq

In 2003, the United States invaded Iraq despite failing to pass a UN Security Council resolution for authorization, prompting a new round of questioning of the UN's effectiveness.

2004: Accusations of Corruption in the Oil-for-Food Programme

In 2004, the UN faced accusations of widespread corruption in its recently ended Oil-for-Food Programme, including billions of dollars of kickbacks.

2005: RAND Corporation Study on UN Peacekeeping

In 2005, a RAND Corporation study found the UN to be successful in two-thirds of its peacekeeping efforts and that 87.5% of UN cases are at peace, compared with 50% of U.S. cases.

2005: International Atomic Energy Agency wins the Nobel Peace Prize

In 2005, the International Atomic Energy Agency (which reports to the UN) won the Nobel Peace Prize in recognition of their work.

2005: World Summit Reaffirms UN Focus

The 2005 World Summit reaffirmed the UN's focus on promoting development, peacekeeping, human rights, and global security.

2006: Replacement of Human Rights Commission and Declaration on Rights of Indigenous People

In 2006, the Human Rights Council replaced the UN Commission on Human Rights, and the General Assembly passed a Declaration on the Rights of Indigenous People, marking significant developments in the UN's approach to human rights.

2007: Introduction of H.R. 1146

In 2007, U.S. Representative Ron Paul authored H.R. 1146, the American Sovereignty Restoration Act, to effect the United States' withdrawal from the United Nations.

2007: IPCC received the Nobel Peace Prize

In 2007, the IPCC received the prize "for their efforts to build up and disseminate greater knowledge about man-made climate change, and to lay the foundations for the measures that are needed to counteract such change."

2008: UN Peacekeeping Operations

Studies published between 2008 and 2021 determined UN peacekeeping operations to be more effective at ensuring long-lasting peace and minimizing civilian casualties.

2009: Sri Lankan Civil War

In 2009, during the final battles of the Sri Lankan Civil War, the UN suffered a "systemic failure". This was determined in an internal review in 2013.

2010: Haiti Earthquake

In 2010, the UN suffered the worst loss of life in its history when 101 personnel died in the Haiti earthquake.

July 2011: South Sudan Joins the UN

South Sudan joined the UN on July 14, 2011, becoming the 193rd member state.

2011: NATO Intervention in Libyan Civil War

Acting under United Nations Security Council Resolution 1973 in 2011, NATO countries intervened in the First Libyan Civil War.

2011: First Resolution Recognizing LGBTQ+ Rights

In 2011, the General Assembly passed its first resolution recognizing the rights of members of the LGBTQ+ community, signaling a step towards greater inclusivity and protection for LGBTQ+ individuals within the UN framework.

2012: François Hollande's statement on the UN

In 2012, then French President François Hollande stated that "France trusts the United Nations. She knows that no state, no matter how powerful, can solve urgent problems, fight for development and bring an end to all crises. France wants the UN to be the centre of global governance".

November 2013: Group of 77 Expands

By November 2013, the Group of 77 (G77) at the UN had expanded to 133 member countries.

2013: Internal Review of UN actions in Sri Lanka

In 2013, an internal review of UN actions during the final battles of the Sri Lankan Civil War in 2009 concluded that the organization had suffered a "systemic failure".

2013: Organisation for the Prohibition of Chemical Weapons wins the Nobel Peace Prize

In 2013, the UN-supported Organisation for the Prohibition of Chemical Weapons won the Nobel Peace Prize in recognition of their work.

September 2015: Election of Faisal bin Hassan Trad

In September 2015, Saudi Arabia's Faisal bin Hassan Trad was elected chair of an advisory committee in the UN Human Rights Council. This move was criticized by the UN Watch.

2015: Launch of Sustainable Development Goals

In 2015, the Sustainable Development Goals (SDGs) were launched to succeed the Millennium Development Goals.

2016: First Public Debate for Secretary-General Candidates

In 2016, the UN held its first public debate between candidates for secretary-general, in an effort to enhance transparency.

January 2017: António Guterres Becomes Secretary-General

On January 1, 2017, António Guterres of Portugal became the ninth secretary-general of the UN. He had previously served as the UN High Commissioner for Refugees.

2017: António Guterres Replaced Ban Ki-moon

In 2017, António Guterres of Portugal replaced Ban Ki-moon as the secretary-general of the UN.

June 2019: UN signs Partnership with World Economic Forum

In June 2019, the UN signed a Strategic Partnership Framework with the World Economic Forum to jointly accelerate the implementation of the 2030 Agenda for Sustainable Development.

2020: Barack Obama's reflection on the UN's limitations

In 2020, former American President Barack Obama, in his memoir A Promised Land noted, "In the middle of the Cold War, the chances of reaching any consensus had been slim, which is why the UN had stood idle as Soviet tanks rolled into Hungary or U.S. planes dropped napalm on the Vietnamese countryside. Even after the Cold War, divisions within the Security Council continued to hamstring the UN's ability to tackle problems. Its member states lacked either the means or the collective will to reconstruct failing states like Somalia, or prevent an ethnic slaughter in places like Sri Lanka."

A Promised Land
A Promised Land

April 2021: ECOSOC Consultative Status

As of April 2021 almost 5,600 organizations have the consultative status with the ECOSOC.

April 2021: UN Peacekeeping Personnel Deployed

As of April 2021, over 88,000 UN peacekeeping personnel from 121 nations have been deployed on missions.

2021: Minimum assessment amount for member nations

In 2021, the minimum amount assessed to any member nation (or "floor" rate) is set at 0.001% of the UN budget ($31,000 for the two-year budget 2021–2022).

2021: UN Peacekeeping Budget for 2021-2022

In 2021, the peacekeeping budget for the 2021–2022 fiscal year is $6.38 billion, supporting 66,839 personnel deployed in 12 missions worldwide.

2021: UN Peacekeeping Operations

Studies published between 2008 and 2021 determined UN peacekeeping operations to be more effective at ensuring long-lasting peace and minimizing civilian casualties.

2022: Introduction of H.R. 7806

As of 2022, the most recent iteration of the American Sovereignty Restoration Act is H.R.7806, introduced by Mike D. Rogers.

2022: Total expenses for United Nations entities in 2022

In 2022, the UN System Chief Executives Board for Coordination reports total expenses of $67.4 billion for 43 United Nations entities.

2022: Minimum assessment amount for member nations

In 2022, the minimum amount assessed to any member nation (or "floor" rate) is set at 0.001% of the UN budget ($31,000 for the two-year budget 2021–2022).

2022: UN Peacekeeping Budget for 2021-2022

In 2022, the peacekeeping budget for the 2021–2022 fiscal year is $6.38 billion, supporting 66,839 personnel deployed in 12 missions worldwide.

2023: Tennessee Legislation against UN Programs

In 2023, Tennessee enacted legislation to block the implementation of programs "originating in, or traceable to, the United Nations or a subsidiary entity of the United Nations," including Agenda 21 and the 2030 Agenda.

2023: Largest contributors to the UN peacekeeping budget for 2023–2024

In 2023, the largest contributors to the UN peacekeeping budget for 2023–2024 are: the United States (26.94%), China (18.68%), Japan (8.03%), Germany (6.11%), the United Kingdom (5.35%), France (5.28%), Italy (3.18%), Canada (2.62%), South Korea (2.57%) and Russia (2.28%).

2023: First UN Open Source Week

Starting in 2023, the United Nations Office for Digital and Emerging Technologies has organized an annual UN Open Source Week to facilitate collaborative and international technological projects, AI policies, and governance.

2024: UN Budget for 2024

In 2024, the UN budget was set at $3.59 billion, which does not include additional resources donated by members.

2024: Largest contributors to the UN peacekeeping budget for 2023–2024

In 2024, the largest contributors to the UN peacekeeping budget for 2023–2024 are: the United States (26.94%), China (18.68%), Japan (8.03%), Germany (6.11%), the United Kingdom (5.35%), France (5.28%), Italy (3.18%), Canada (2.62%), South Korea (2.57%) and Russia (2.28%).

March 21, 2025: UNO awarded Honorary degree

On March 21, 2025, the joint Universities of Leuven and Louvain (Belgium) awarded the UNO a Honorary degree which was given in the hands of António Guterres.

May 2025: UN Financial Crisis

On May 19, 2025, the UN faced a financial crisis due to delays in member state payments. Only 61 countries paid their dues on time. This crisis is causing massive budget cuts.

2030: Mention of the 2030 Agenda

In 2023, Tennessee enacted legislation to block the implementation of programs "originating in, or traceable to, the United Nations or a subsidiary entity of the United Nations," including Agenda 21 and the 2030 Agenda. This legislation was enacted in 2023.

2030: 2030 Agenda for Sustainable Development

In June 2019, the UN signed a Strategic Partnership Framework with the World Economic Forum to jointly accelerate the implementation of the 2030 Agenda for Sustainable Development.