United Nations Day is celebrated on October 24.



  • It marks the anniversary of the entry into force in 1945 of the U.N. Charter.
  • With the ratification of this founding document by the majority of its signatories, including the five permanent members of the Security Council, the United Nations officially came into being.


About the United Nations Charter

  • The Charter of the United Nations is the founding document of the United Nations.
  • It was signed on 26th June 1945, in San Francisco, at the conclusion of the United Nations Conference on International Organisation, and came into force on 24 October 1945.
  • The United Nations can take action on a wide variety of issues due to its unique international character and the powers vested in its Charter, which is considered an international treaty.
  • As such, the UN Charter is an instrument of international law, and UN Member States are bound by it.
  • The UN Charter codifies the major principles of international relations, from sovereign equality of States to the prohibition of the use of force in international relations.
  • The mission and work of the Organisation have been guided by the purposes and principles contained in its founding Charter, which has beenĀ amended three timesĀ in 1963, 1965, and 1973.