The League of Nations was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. Founded on 10 January 1920 following the Paris Peace Conference that ended World war I, it ceased operations on 20 April 1946. The organization’s primary goals, as stated in its covenant, included preventing wars through collective security and disarmament and settling international disputes through negotiation and arbitration. Its other concerns included labour ... League of Nations, an organization for international cooperation established on January 10, 1920, at the initiative of the victorious Allied powers at the end of World War I. The League of Nations was an intergovernmental organization founded on January 10, 1920, as a result of the Paris Peace Conference that ended the First World War. It was the first international organization whose principal mission was to maintain world peace. Its primary goals, as stated in its Covenant, included preventing wars through collective security and disarmament and settling international disputes through negotiation and arbitration. Other issues in this and related treaties ... Learn about the origins, achievements and failures of the League of Nations, an international diplomatic group created after World War I. Find out how the League tried to resolve disputes, disarm nations and prevent another global conflict.