The San Francisco conference was held during April-June 1945. It is important, as it was the first UN Conference opened on 20th April at San Francisco, attended by 50 nations, it drew the final draft of the UN Charter which was unanimously adopted and signed on 26th June, 1945. The Charter was finally ratified by the Parliaments of China, France, USSR, Britain, USA and majority of the 51 original members on 24th October, 1945 marking the foundation of United Nations Organisation.