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Digital Archive International History Declassified

June 14, 1957

Mao Zedong officially launches the Anti-Rightist Movement in June 1957. The campaign targets alleged "rightists" inside the Chinese Communist Party, and by the end of the 1957 alone, more than 300,000 people have been labeled as such. Lasting until 1959, the Anti-Rightist Movement lays a foundation for other radical campaigns carried out by the Chinese Communist Party, including the Great Leap Forward and the Cultural Revolution.

October 15, 1957

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The Soviet Union signs a secret agreement to provide the People's Republic of China with a model of an atomic bomb and other nuclear equipment, though the Soviets are deliberately vague as to precisely what equipment would be delivered and when such deliveries would take place.

November 02, 1957

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Chinese Communist Party Chairman Mao Zedong visits Moscow to attend the 40th anniversary of the October Revolution and to participate in the Moscow Meeting involving sixty-four communist parties from 2 November through 21 November 1957. The Moscow Meeting marks a turning point after which the Sino-Soviet relationship became increasingly bitter and hostile.

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