Fidel Alejandro Castro Ruz ( August 13, 1926 – November 25, 2016) was a Cuban politician and revolutionary who governed the Republic of Cuba for 47 years as Prime Minister from 1959 to 1976 and then as President from 1976 to 2006 (de jure until 2008). Politically a Marxist–Leninist and Cuban nationalist, he also served as the First Secretary of the Communist Party of Cuba from 1961 until 2011. Under his administration, Cuba became a one-party socialist state; industry and business were nationalized, and state socialist reforms were implemented throughout society.