History of the United Nations:
The United Nations came into being in 1945, following the devastation of the Second World War, with one central mission: the maintenance of international peace and security.
1 January 1942 || The name «United Nations» is coined
The name «United Nations», coined by United States President Franklin D. Roosevelt was first used in the Declaration by United Nations of 1 January 1942, during the Second World War, when representatives of 26 nations promised their Governments to continue fighting together against the Axis Powers.
24 October 1945 || The United Nations officially comes into existence
In 1945, representatives of 50 countries met in San Francisco at the United Nations Conference on International Organization to execute the United Nations Charter. Those delegates deliberated on the basis of proposals worked out by the representatives of China, the Soviet Union, the United Kingdom and the United States at Dumbarton Oaks, United States in August-October 1944.
The United Nations officially came into existence on 24 October 1945, when the Charter had been ratified by China, France, the Soviet Union, the United Kingdom, the United States and by a majority of other signatories. United Nations Day is celebrated on 24 October each year.