On April 11, 1963, Pope John XXIII signed his encyclical entitled “Pacem in Terris ” (Peace on Earth) in which he stated:“ It is our earnest wish that the United Nations organization — in its structure and in its means — may become ever more equal to the magnitude and nobility of its tasks. ”
बाद में, जून १९६५ में, धार्मिक अगुवों ने, जो कहा गया कि संसार की आधी जनसंख्या के प्रतिनिधि हैं, सैन फ्रैंसिस्को में संयुक्‍त राष्ट्र का २०वाँ जन्मदिन मनाया ।