What is the Full Form of UNO?

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The full form of UNO is the United Nations Organization. It is an international organization that maintains international peace and security, developing friendly relations around the world, and achieving international cooperation.

The headquarters of UNO is based in New York and its main offices are in Geneva, Nairobi, Vienna, and the Hague. It is one of the most popular international organizations across the world. Read on to learn more about UNO.

When was UNO Founded?

UNO was founded in 1945 after World War II with the ultimate goal of preventing future world wars. On 25 April 1945, 50 nations decided to meet in San Francisco for a conference and drafted the UN Charter. On 25 June 1945, the draft was adopted. UNO began its operations on 24 October 1945.

It only had 51 members in the initial phases. Today it has 193 nations serving as a member. 

Leaders of UNO

Secretary‑GeneralAntónio Guterres
Deputy Secretary-GeneralAmina J. Mohammed
General Assembly PresidentCsaba Kőrösi
Economic and Social Council PresidentCollen Vixen Kelapile
Security Council PresidencyRussia

United Nations: International Women’s Day

Councils of UNO

The UN has six principal organs:

  • General Assembly
  • Security Council
  • Economic and Social Council
  • International Court of Justice
  • UN Secretariat
  • Trusteeship Council

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Specialized Agencies of UNO

The UNO Charter has set forth that each primary organ of the UNO can establish various specialized agencies to fulfill its duty. There are fifteen specialized agencies for UNO. They pursue diverse functions such as international travel, preventing and addressing pandemics, and promoting economic development.

AcronymAgency Name
FAOFood and Agriculture Organization
ICAOInternational Civil Aviation Organization
IFADInternational Fund for Agricultural Development
ILOInternational Labour Organization
IMOInternational Maritime Organization
IMFInternational Monetary Fund
ITUInternational Telecommunication Union
UNESCOUnited Nations Educational, Scientific and Cultural Organization
UNIDOUnited Nations Industrial Development Organization
UNWTOWorld Tourism Organization
UPUUniversal Postal Union
WBGWorld Bank Group
WHOWorld Health Organization
WIPOWorld Intellectual Property Organization
WMOWorld Meteorological Organization


What is a UNO game?

In the UNO game, you basically have to shed your hand first to win this fast-paced card game.

How to play UNO kids?

Spread 7 cards each and make sure to match colors or animals, ditch your cards, and yell “UNO” when down to one!

What are the main bodies of UNO?

The UN has six main bodies: General Assembly, Security Council, Economic and Social Council, International Court of Justice, and Secretariat.

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