The United Nations was founded in the year 1945. It was established on October 24, 1945, following the conclusion of World War II, with the aim of promoting international cooperation and preventing future wars. The UN's formation involved representatives from 51 countries, and it served as a platform for dialogue and conflict resolution among nations. October 24 is now celebrated as United Nations Day, highlighting the work and principles of the organization in fostering global peace, security, and development. The UN continues to play a critical role in addressing global challenges such as poverty, environmental sustainability, and human rights.