Today in Labor History June 13, 1889: Amadeo Bordiga was born (d1970). Proponent of Council Communism and the Italian Communist Left, as well as a founder of the Italian Communist Party. He was a major influence on the 20th century Ultra Left. He called Stalin "the gravedigger of the revolution." Bordiga was imprisoned twice by Mussolini. Lenin criticized him in his screed, "Left-Wing" Communism: An Infantile Disorder (1920).