Gromyko informs Liu Xiao of the Soviet position and strategy in its negotiations with the United States and the United Kingdom for halting nuclear tests.

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.

Khrushchev writes to Zhou outlining the Soviet Union's argument for the need to halt the testing of atomic weapons, and urges the Chinese to support and agree to the ban.

In a conversation with Soviet ambassador Yudin, Mao sees a prohibition of the use of hydrogen weapons as very likely, as the capitalist countries "[fear] fighting this kind of war." Further, he notes that the socialist countries have an advantage over Western ones in terms of conventional army size.

Soviet Charge d’Affaires in Beijing V.V. Vaskov and Comrade Mao Zedong discuss the Soviet plans to take advantage of the changing situation in France. Mao mentions that Zhou is meeting with Ho Chi Ming and Vo Nguyen Giap in Guanxi and won't be able to come to Geneva until July 12-13. The topic of conversation then shifts to the US and a recent meeting between US President Eisenhower and British Prime Minister Winston Churchill. Mao notes that there is a diverge between Eisenhower and Churchill regarding the desirability of a dialogue with the Communists. Mao says that the US has dispersed its forces far and wide, so they are trying to resurrect West Germany and Japan.

International relations between the USSR, China, USA, and England; a proposal to have discussions among the different nations in regards to the solution for post-WWII Germany; mention of an attempt to lessen tension.