The United Nations (UN) was founded on October 24, 1945. It is an intergovernmental and particularly global organization that promotes international cooperation, peace, and security. The UN emerged in an atmosphere of wartime hyperbole, namely, in the wake of the Second World War (1939–1945). At that time, the main world powers, such as the United States, the United Kingdom, China, and the former Soviet Union, drafted the blueprint for the organization, envisioning an entity that would promote peaceful international order. These negotiations resulted in the UN Charter. With this basic instrument coming into force, the UN was formally established.

Since 1945, the UN has grown considerably. Initially having 51 members, the UN increased its membership to 100 by the end of the 1960s; in the mid-1980s, ...