The CPSU CC agrees to assist the PRC with nuclear energy training.

Mao Zedong reveals that several Korean Workers' Party members have been placed under arrest, including Pak Il-u, who is looked favorably upon by the CCP. Sino-North Korean relations have become strained as a result of Kim Il Sung's handling of the August Plenun Incident. Mao admits to Mikoyan that the Korean Workers' Party leadership may not heed their advice, but they decide to send a joint delegation to Pyongyang the next morning.

In the wake of the Taiwan Strait Crisis, the Soviet Union promises to intervene in the event of a nuclear attack on China from the United States.

The Central Committee of the Communist Party of China requests information on two Chinese citizens, Li Qingdong and Shu Fengkui, who had lived in the Soviet Union for a time and claimed to be CPSU members.

The Soviet Central Committee informs their Chinese counterparts that, in light of the arms reduction talks taking place in Geneva, Soviet nuclear assistance must cease. The Chinese had requested a sample atomic bomb and technical data, but the Soviet feared that doing so would imperil the efforts of the socialist countries in Geneva.