- Franklin D. Roosevelt
- Trygve Lie
- Winston Churchill
- None of these
- a
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Franklin D. Roosevelt was President of America. He used this name fist time in December 1941.
This name ‘United Nations’ was officially used first time on 1st January 1942.
United Nations was founded on 24th October 1945.
Pakistan joined United Nations on 30th September 1947.