How was the UNO established?
Image result for When and how was UNO established
The UN officially came into existence on 24 October 1945, upon ratification of the Charter by the five permanent members of the Security Council—the US, the UK, France, the Soviet Union and the Republic of China—and by a majority of the other 46 signatories
When was UNO established?
The United Nations is an international organization founded in 1945 after the Second World War by 51 countries committed to maintaining international peace and security, developing friendly relations among nations and promoting social progress, better living standards and human rights.