Mao Zedong died in 1956.
Mao Zedong . ( Mao himself admitting 800,000 deaths in the classicide and 712,000 in the suppression of Counterrevolutionaries ) In 1957 , he launched the Great Leap Forward campaign that aimed to rapidly transform China 's economy from an agrarian economy to an industrial one . In 1966 , he initiated the Great Proletarian Cultural Revolution , a program to remove `` counter-revolutionary '' elements of Chinese society that lasted 10 years and which was marked by violent class struggle that killed 400,000 to 10,000,000 people , widespread destruction of cultural artifacts and unprecedented elevation of Mao 's personality cult . In 1972 , Mao welcomed American President Richard Nixon in Beijing , signalling a policy of opening China , which was furthered under the rule of Deng Xiaoping ( 1978 -- 1992 ) . Mao suffered a series of heart attacks in 1976 , and died in September , aged 82 .