Mao Zedong held this conversation with Yudin in the context of the emerging dispute between Beijing and Moscow on establishing a Chinese-Soviet joint submarine flotilla.

Deputy Forieng Minister Lubomir Angelov transmits to Bulgaria's embassy in Turkey information from Bulgarian Ambassador to Great Britain Radenko Grigorov. Angelov's message is handwritten and reports news about Soviet and US submarine presence in the Mediterranean, which initially Grigorov acquired from Turkey's ambassador to Great Britain.

Bulgarian Embassy in Athens staff member Atanasov reports on Greek media accounts of military preparations to the Bulgarian Ministry of Foreign Affairs. According to Atanasov, Greek newspapers report preparations include Soviet movements in the Mediterranean in response to US submarines carrying Polaris missiles, Bulgarian maneuvers near the Greek and Turkish borders, and an anticipated NATO forward strategy in Greece. Atanasov adds that NATO is preparing the defense of possible attacks on Greece.

Secretary Kim of the South Korean Embassy in Australia meets with the Secretary of the Soviet Embassy in Australia to discuss China, North Korea, the U.S. naval force, and the possibility of trade and cultural exchange between the Soviet Union and South Korea.

Zhou Enlai presses Moscow to accelerate the dispatchment of requested equipment and personnel by the specified deadline so that the Chinese air force and navy can prepare for the military campaign to seize Zhoushan Island.