noun
League of Nations
Historical term for the international organization that existed from 1920 to 1946, predecessor to the United Nations.
国際連盟は第一次世界大戦後に設立された。
The League of Nations was established after World War I.
国際連合 (United Nations) is the successor organization founded in 1945, while 国際連盟 refers specifically to the earlier League of Nations.
Compound of 国際 (international) and 連盟 (league, federation), calqued from English 'League of Nations'.