what was the united nations
The United Nations (UN) is an intergovernmental organization to promote international co-operation. A replacement for the ineffective League of Nations, the organization was established on 24 October 1945 after World War II in order to prevent another such conflict.he first meetings of the General Assembly, with 51 nations represented, and the Security Council took place in London beginning 6 January 1946. The General Assembly selected New York City as the site for the headquarters of the United Nations, and the facility was completed in 1952.