On June 26, 1945 in San Francisco, the United Nations Charter was signed. In the aftermath of the devastation caused by World War II, world leaders came together to establish an international organization committed to keeping the peace and protecting human rights.
After the second World War had ended, the leaders of countries around the world realized that the existing system of international relations was inadequate to prevent such catastrophic conflicts from taking place again. The world had witnessed horrors during the wars, including genocide and the use of nuclear weapons, which compelled nations to seek a new way to ensure that collective security would be prioritized over individual national interests.

Representatives from 50 countries gathered in San Francisco to draft and sign the United Nations Charter. The Charter established an organization that would serve as a forum for nations to resolve disputes peacefully. The United Nations Charter created several principles to guide the organization’s work.
The central goal is to maintain peace and security. The Charter encourages conflicts to be resolved peacefully and prohibits the use of force except in cases of self-defense or collective action authorized by the Security Council. The Charter upholds the sovereign equality of all member nations, but it recognizes the collective responsibility of nations to protect human rights. The Charter recognizes the worth of the individual and emphasizes social progress, equality, and the improvement of living conditions. The Charter also stresses the importance of international cooperation to address poverty, hunger, disease, and climate change.
According to the New York Times articles published on June 26, 1945 about the meeting, when the final text of the charter was approved, “an audience of more than 3,000 in the War Memorial Opera House jumped to its feet to cheer and applaud for a full minute” (Times Machine).
Over the years, the United Nations has addressed conflicts, including deploying peacekeeping missions to maintain stability worldwide, developing international human rights standards, creating Sustainable Development Goals to tackle pressing global issues such as poverty and inequality, and developing international law, including the prohibition of chemical weapons and the protection of the environment.
Despite its achievements, the United Nations faces ongoing challenges. Geopolitical tensions, resource constraints, and complex global issues demand renewed efforts to strengthen its effectiveness and adapt to evolving realities. Addressing climate change, gender equality, and socioeconomic inequality are among some of the most important tasks being addressed today.
Learn more here:
https://www.un.org/en/about-us/un-charter
https://www.archives.gov/milestone-documents/united-nations-charter’
https://timesmachine.nytimes.com/timesmachine/1945/06/26/88249150.html?pageNumber=1