How many countries signed the UN Charter at the San Francisco Conference in 1945?

The number of countries that signed the UN Charter at the San Francisco Conference in 1945 is fifty. This pivotal event marked the founding of the United Nations, and the signing took place on June 26, 1945. These fifty nations were the first members of the United Nations, having come together in the aftermath of World War II to promote international cooperation, peace, and security.

This historical gathering was significant not only in establishing the United Nations as a governing body but also in shaping the post-war world order. The collective decision of these fifty states demonstrated a commitment to multilateralism and the pursuit of global peace. While some other options might seem plausible numbers, fifty is the accurate figure that reflects the official records from that conference, underscoring the momentous nature of this agreement in international relations.