The "cultural revolution" was a political movement mistakenly launched and led by Mao Zedong who misestimated China's class situation and political circumstances.
Unfortunately, it was exploited by two counter-revolutionary cliques respectively headed by Lin Biao and Jiang Qing, and caused serious damage to the Chinese Communist Party, the nation and all peoples.
In 1976, after Zhou Enlai and Mao Zedong passed away, the Polit-buro of the CPC led by Hua Guofeng smashed the Jiang Qing counter-revolutionary clique, bringing an end to the calamity.
(Courtesy of the Foreign Languages Press)