The Communist Party of Brazil (Partido Comunista do Brasil, PC do B) has held twelve Congresses since it was founded in March 1922 as the Communist Party – Brazilian Section of the Communist International (Partido Comunista – Seção Brasileira da Internacional Comunista, PC-SBIC).
Name Dates Place 1st March 25–27, 1922 Niterói 2nd May 16–18, 1925 3rd December 1928 – January 1929 4th November 1954 5th August–September 1960 6th (clandestine) 1983 7th May 1988 São Paulo 8th February 3–8, 1992 Brasília 9th October 13–15, 1997 São Paulo 10th December 9–12, 2001 Rio de Janeiro 11th October 20–23, 2005 Brasília 12th November 5–8, 2009 São Paulo 13th November 14–16, 2013 São Paulo 14th November 17–19, 2017 Brasilia 15th October 15–17, 2021 None (via videoconference)
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