The idea of an international body to promote global peace started with President Franklin Roosevelt of the United States and Prime Minister Winston Churchill of the United Kingdom. The United Nations came into existence on October 24, 1945 after being ratified by 51 nations, which included five permanent members (France, the Republic of China, the Soviet Union, the UK and the US) and 46 other signatories. The first meeting of the General Assembly took place on January 10, 1946.
Major aims of the UN