![Map indicating the 50 countries that participated in the UN Conference on International Organization at San Francisco in 1945.](https://americanlibrariesmagazine.org/wp-content/uploads/2021/08/btn.jpg)
By the Numbers: United Nations Day
September 1, 202150 Number of countries represented at the United Nations (UN) Conference on International Organization in San Francisco from April 25 to June 26, 1945. Representatives wrote a charter for the UN with the hope of preventing another world war. The organization officially formed four months later, on October 24. 1947 Year the UN General Assembly … Continue reading By the Numbers: United Nations Day