The United Nations officially formed in the year 1945, following the end of World War II. The founding principles of the UN aimed to foster international cooperation, maintain peace and security, and promote human rights and social progress. The organization was established to prevent future conflicts by providing a platform for dialogue among nations. The UN Charter, signed on June 26, 1945, in San Francisco, serves as the constitutional document of the organization. Since its inception, the UN has played a crucial role in addressing global challenges, including humanitarian crises, sustainable development, and peacekeeping operations.