National conventions of the Communist Party USA

The Communist Party USA has held 32 official national conventions, including conventions held while the party was known as the Workers Party of America (1921–1924), the Workers (Communist) Party of America (1925–1928), and the Communist Political Association (1943–1946). There were also half a dozen congresses held by the party's organizational predecessors, including the Left Wing Section of the Socialist Party (1919), the competing Communist Labor Party (1919–1921) and Communist Party of America (1919–1921), and the merged (but "underground") Communist Party of America (1921–1923).