Fidel Castro hands over power to his brother, Raúl.

Fidel Alejandro Castro Ruz was a Cuban politician and revolutionary who was the leader of Cuba from 1959 to 2008, serving as the prime minister of Cuba from 1959 to 1976 and president from 1976 to 2008. Ideologically a Marxist–Leninist and Cuban nationalist, he also served as the first secretary of the Communist Party of Cuba from 1965 until 2011. Under his administration, Cuba became a one-party communist state; industry and business were nationalized, and socialist reforms were implemented throughout society.

Raúl Modesto Castro Ruz is a Cuban retired politician and general who served as the first secretary of the Communist Party of Cuba, the most senior position in the one-party communist state, from 2011 to 2021, and President of Cuba between 2008 and 2018, succeeding his brother Fidel Castro.