a. In August 1941 American President Franklin D. Roosevelt and the British Prime Minister Winston S. Churchill signed the Atlantic Chart. A,
b. In January 1942, the nations that fought against the Axis Powers met in Washington DC and signed the “Declaration by United Nations”. This was to support the Atlantic Charter.
- In December 1943, America, Britain, Soviet Union etc. declared the Tehran Conference.
- In February 1945, in the Yalta Conference, 3 leaders – Roosevelt, Churchill and Stalin decided to call a United Nations Conference and agreed to put forward a suggestion fora world organization.
- In April May 1945, a two months-long United Nations Conference took place in San Francisco.
- On 26 June 1945 the UN Charter was signed by 50 countries, Poland signed it 15 october .Thus there were 52 founding nations at the beginning of the UN. On 24 October 1945 the UN was officially founded. India joined it on 30 October 1945.