October 15, 2021 - October 17, 2021 - Brazil 15th Congress of the CP of Brazil

November 6, 2021 - November 7, 2021 - London, UK 56th Congress of the Communist Party of Britain

November 12, 2021 - November 14, 2021 - Madrid, Spain 2nd Congress of the PCTE - “Congress of the Centennary”