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.
... the census of 2000, there are 16,146 people, 5,480 households, and 4,197 families residing in the town. The population density is 1,058.4/km² (2,740.4/mi²). ...