Communist Party of Cuba
The position of first secretary of the Communist Party of Cuba continues to be the most powerful political position in Cuba. Fidel Castro held the position from 1976 to 2008, and Raúl Castro held the position from 2011 to 2018. Raúl Castro continued to hold the position of first secretary until the 8th Congress of the Communist Party of Cuba, held 16-19 April 2021, when he retired from office.