league of nations

noun

1. an international organization to promote world peace and cooperation that was created by the Treaty of Versailles (1919): dissolved April 1946.

noun

1. an international association of states founded in 1920 with the aim of preserving world peace: dissolved in 1946

An international organization established after World War I under the provisions of the Treaty of Versailles. The League, the forerunner of the United Nations, brought about much international cooperation on health, labor problems, refugee affairs, and the like. It was too weak, however, to prevent the great powers from going to war in 1939.