Article Detail Who was First secretary general of United Nations ? Answer: Trigve Li Similar Questions : 1. Name of the First Religion of World ? Answer: Sanatan Dharma 2. Name of the first country to issue paper currency ? Answer: China 3. Who won first Nobel prize for physics ? Answer: W.K. Roentgen (Germany) 4. Who was first woman president of a country ? Answer: Maria Estela Peron of Argentina 5. Who was the first man to draw the map of earth ? Answer: Anexemander 6. Who was First secretary general of United Nations ? Answer: Trigve Li 7. First President of United States of America ? Answer: George Washington Read more from - First in World