Japanese Confederation of Labor (1936-1939); Zensō
Pre-war labor federation; often referred to by its abbreviation 全総 (Zensō).
The Japanese Confederation of Labor (Zensō) was formed in 1936.
Japanese Confederation of Labor (1964-1987); Dōmei
Post-war labor federation; commonly known as 同盟 (Dōmei).
The Japanese Confederation of Labor (Dōmei) was established in 1964 and dissolved in 1987.