🌐EnglishEnglishEspañolفارسی한국어中文日本語EntityQ17217027· pop 5· linked from 70 articlesProletarian Masses Partyshort-lived political party in JapanAvailable in 5 languagesEspañol日本語فارسی한국어via Wikidata sitelinks · CC0ConnectionsJapanCountrypolitical partyEntityCategoriesDefunct political parties in JapanPolitical parties disestablished in 1928Political parties established in 1928Political parties in the Empire of JapanSocialist parties in Japan