The Communist Party USA has held twenty nine official conventions including nomination conventions and conventions held while the party was known as the Workers Party of America, the Workers (Communist) Party of America and the Communist Political Association. There were also a number of congresses held by the earlier, often underground, organizational predecessors of the party, including the Communist Labor Party of America, the United Communist Party and two groups known as the Communist Party of America. The Communist Party's 30th National Convention took place on 13 to 15 June 2014 in Chicago.