In 1923, Chosenkoheisya (Korean social organization) was established to eliminate the discrimination against hakucho and waged the movement to eliminate the class difference along with the Zenkoku Suiheisha (the National Levelers' Association) in Japan.
1923年に白丁差別解消のための朝鮮衡平社が作られ、日本の水平社と協力して身分差別解消の運動を行っていた。