In a memorandum to senior officials at the Departments of Defense and State, President Kennedy expressed doubts over whether West Germany would abide by the non-nuclear weapons commitment that West German Chancellor Adenauer had made in 1954. Also mentioned in the memorandum is Kennedy's description of a meeting with West German defense minister Kai-Uwe von Hassell to discuss these concerns; von Hassell assured the President that West Germany would not go on any "nuclear adventures."

The ongoing crisis over West Berlin brought Adenauer to Washington for talks on strategy, diplomacy, and contingency planning. During this discussion, Kennedy wanted to determine where the Chancellor stood on the nuclear questions, specifically whether his government would continue to observe the 1954 declaration renouncing the production of nuclear, biological and chemical weapons.

Ulbricht speaks at the Moscow Conference of Secretaries of the Central Committees of the Communist and Workers' Parties of Socialist Countries for the Exchange of Opinions on Questions Concerning the Preparation and Conclusion of a German Peace Treaty.

F.R.G. Chancellor Adenauer and U.S. President Kennedy discuss the Cuban crisis and the sense they both have that the situation is not yet entirely resolved. "The President indicates that one never knows what’s going on in the Soviets’ heads. The Americans never thought that the Soviets would dare bring missiles to Cuba and the Soviets never thought that the Americans would react so decisively. Both sides had false ideas about each other…"