The United Nations is an international organization founded in 1945 after the World War II.
Its charter was signed in San Francisco on June 26, 1945 and came into existence on October 24, 1945 after 51 countries have signed the charter.
With the ratification of the founding document by the majority of its signatories, including the five permanent members of the Security Council, the United Nations officially came into being.
UN Day marks the anniversary of the entry into force in 1945 of the UN Charter.
Since 1948, 24th October has been celebrated as United Nations Day.
It is headquartered in New York.
It has 193 members and latest member joined was South Sudan.
The Official Languages are Arabic, English, French, Chinese, Spanish, and Russian.
The organs of UN are General Assembly, Security Council, Economic and Social Council, International court of Justice and Secretariat.