Furtado, in a follow-up telegram to his earlier message, recalls the impression that the American government considered the speech of Kennedy as an ultimatum to the USSR on the Cuban question.

US Secretary of the Treasury C. Douglas Dillon tells the Brazilian delegation that he must leave the Annual Conference of Cities in Mexico because the situation between the US and Cuba is too volatile and "he could not say if there will be or not a world nuclear war by the weekend."

Allen Dulles records his discussion that day with Undersecretary of State Douglas Dillon and Ambassador Jacob Beam, who were critical of RFE Polish broadcasts

Secretary of Defense Gates, Acting-Secretary of State Dillon and the Atomic Energy Commissions' McCone discuss nuclear sharing with France. The French had offered full cooperation and participation in NATO in return for US Polaris submarine-launched missiles (without warhead).