(i) Establishment and Total membership of the UNO: The UNO was established on 24th October 1945. The UN declaration was signed in San Francisco by 50 member states. At present, it has 193 members.
(ii) Main organs of the UNO: The main organs of the UNO are General Assembly, Security Council, Economic and Social Council, Trusteeship Council (suspended operations in 1994), International Court of Justice, and Secretariat.
(iii) Permanent members of the Security Council: There are 5 permanent members of the Security council i.e., the USA, the UK, Russia, France, and China.
(iv) Secretary-General of the UN: The Secretariat comprises the Secretary-General and UN staff members, who carry out the day to-day work of the UN. The Secretary-General is the Chief Administrative Officer of the UNO. He is appointed by the General Assembly on the recommendation of the Security Council for a five-year term.
The present Secretary-General is Antonio-Guterres. The first Secretary-General was Trygve Lie (1946-1952) Other Secretary-General were Dag Hammarskjold, U Thant, Kurt Waldheim, Javier Perez, Boutros Boutros-Ghali, Kofi Annan, Ban-ki-Moon.
