Fidel Castro was the leader of the Cuban Revolution from 1959 to 2008. He served as Prime Minister from 1959 to 1976 and President of the Council of State of Cuba from 1976 to 2008. Under his leadership, Cuba established a socialist government aligned with the Soviet Union. Some of his key accomplishments included implementing land reform, increasing access to healthcare and education, and improving literacy rates. However, he was also a controversial figure criticized for repressing political dissent and establishing an authoritarian one-party state.