President Harry Truman helped create the United Nations.
He was a United States citizen. You have to be born in the United States, in order to become president. So every U.S. president's nationality is American.
President Franklin.
Yes, the United Nations has a president who is usually voted by the representatives of UNGA.
Secretary General of the United Nations
Both of his parents were born in Ireland, but he was born in this country.
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Carol P Romulo was the Fourth President of the United Nations General Assembly, in 1949-50.
The founders of Samoa were of Samoan nationality. Samoa became an independent country from New Zealand in 1962 and was admitted into the United Nations in 1976.
Diosdado Macapagal
Roosevelt
Harry S. Truman