The Partito Comunista Italiano (PCI) or Italian Communist Party emerged from a secession by the far left from the Italian Socialist Party[?] (PSI) during that body's congress on 21 January1921 at Leghorn. Amedeo Bordiga and Antonio Gramsci led the split.
The party gained considerable electoral success during the 40 years following 1945.
... captured resistance member René Hardy[?]. Klaus Barbie tortured Moulin’s whereabouts out of him and Moulin was arrested (alongside others) in Caluire[?] in June 21. ...