The global organization founded in 1945 to promote peace and cooperation among nations is the United Nations (UN). Established in the aftermath of World War II, its primary mission is to prevent future conflicts and foster international cooperation in addressing global challenges including human rights, economic development, and social progress. The UN operates through various specialized agencies and committees, bringing together member states to collaborate on issues such as peacekeeping, humanitarian assistance, and sustainable development. Its establishment marked a significant effort towards collective security and diplomacy in a rapidly changing post-war world.