August 27, 1947
Minutes of the Tenth Session of the Brazilian National Security Council, Alvaro Alberto’s proposal to establish a Brazilian Atomic Energy Program
The minutes describe the internal discussion at the National Security Council of a proposal to establish a nuclear program sent from New York by Admiral Alvaro Alberto, who was representing Brazil at the United Nations Atomic Energy Commission (UNAEC). The Council approved the Admiral’s proposal and one of its members, Colonel Bernardino Corrêa de Matos Netto declared that "it is not convenient that Brazil relinquishes [nuclear energy], because it is necessary to prepare the ground for future generations."
August 30, 1956
Minutes of the Twentieth Session of the Brazilian National Security Council, Second Brazilian Nuclear Plan
At this meeting the National Security Council decided to reform the Brazilian nuclear sector by placing it under the direction of CNEN (National Nuclear Energy Commission). The CSN suggested young technicians and academics should be instructed abroad in order to stimulate the development of professionals in that field. One of the objectives of the nuclear policy was the production of nuclear fuel from domestically-sourced minerals. The Brazilian government criticized the monopoly on nuclear fuel by the big powers.
May 31, 1957
Department of State Office of Intelligence Research, 'OIR Contribution to NIE 100-6-57: Nuclear Weapons Production by Fourth Countries – Likelihood and Consequences'
This lengthy report was State Department Bureau of Intelligence and Research's contribution to the first National Intelligence Estimate on the nuclear proliferation, NIE 100-6-57. Written at a time when the United States, the Soviet Union, and the United Kingdom were the only nuclear weapons states, the “Fourth Country” problem referred to the probability that some unspecified country, whether France or China, was likely to be the next nuclear weapons state. Enclosed with letter from Helmut Sonnenfeldt, Division of Research for USSR and Western Europe, to Roger Mateson, 4 June 1957, Secret
October 27, 1962
Telegram from Yugoslav Embassy in Rio de Janeiro (Barišić) to Yugoslav Foreign Ministry
A telegram from the Yugoslav Embassy in Rio de Janeiro to the Yugoslav Foreign Ministry about a meeting with Brazilian President João Goulart. Barišić says Goulart considers that everything must be done to prevent the beginning of war, because war would bring unpredictable catastrophe and it would be hard to extinguish it if war operations start. Goulart also shares his opinion that negotiations are necessary, and that Cuba must be prevented from becoming an atomic base for it could be the constant cause of war dangers.
October 29, 1962
Telegram from Yugoslav Foreign Ministry to Yugoslav Embassies in Havana and Washington and Yugoslav Mission to the United Nations
Brazilian President João Goulart emphasizes that the possibility of an adequate solution (to the Cuban Missile Crisis) could be increased if there were measures to suspend the quarantine (blockade) immediately, followed by corresponding and effective stoppage of weapons shipment to Cuba as well as determining obligations to prevent the spreading of nuclear weapons and the installation of bases. In his opinion the danger of war could increase significantly and worries of Brazil would grow as far as its own security was concerned, if such bases were installed in Cuba or any other part of LA. He also brought to the attention the proposal of Brazil in the UN for the denuclearization of Latin America.
November 02, 1962
Telegram from Yugoslav Foreign Ministry, Belgrade, to Yugoslav Embassies in Havana and Washington and the Yugoslav Mission to the United Nations, New York
The Yugoslav Foreign Ministry relays to its embassies a summary of the Brazilian proposal on the Cuban Missile Crisis which, they say, mainly includes: the denuclearization of Latin America with inspections, Cuba's commitment to not "export" revolutionary operations, and guarantees to Cuba for sovereignty and independence. Allegedly, Castro welcomed the idea of the above plan. Brazil thinks that the USA could accept it after negotiations.
November 07, 1962
Letter from Arie Meyron, Counselor, the Embassy in Rio de Janeiro, to the Head of the Latin American Desk at the Israeli Foreign Ministry, 'Brazil-Cuba'
A letter from Arie Meyron, a Counselor at the Embassy in Rio de Janeiro, to the Head of the Latin American Desk at the Israeli Foreign Ministry about Cuba-Brazil relations and about Brazil's proposal to the Organization of American States (OAS) to create a nuclear-free zone in Latin America.
November 14, 1962
Telegram from the Brazilian Embassy in Havana (Bastian Pinto), 12:15 p.m., Wednesday
A conversation between Pinto and Raul Roa discussing denuclearization of Latin America and the dismantling of bases like Guantanamo. Pinto also writes that the denuclearization of Africa was an initiative of Fidel Castro in the UN in 1960, and he praised the Brazilian draft, saying that, with the Cuban amendments, it would be an effective guarantee for Latin America and an important step toward disarmament and the suspension of nuclear tests.
November 16, 1962
Telegram from the Brazilian Foreign Ministry to the Brazilian Delegation at the United Nations General Assembly, New York, 9 p.m., Friday
The Brazilian delegation to the United Nations General Assembly advises the Brazilian government not to postpone the voting on the draft resolution about the denuclearization of Latin America.
November 16, 1962
Israeli Foreign Ministry, Jerusalem, to Israeli Embassy, Havana
Israeli Ambassador to Brazil Arie] Eshel sent a telegram from Rio about Brazil's efforts to mediate the Cuban crisis, as well as Brazil's attempt to pass a resolution at the Security Council declaring Latin America, Africa and the Middle East nuclear free zones but that they were unable to do so due to French opposition.
March 28, 1964
Airgram from the Embassy of the US in Rio De Janeiro to the Department of State, 'Non-Peaceful Uses of Atomic Energy by Brazil'
The US Embassy in Rio De Janeiro sends airgram to the Department of State regarding military pressure in Brazil to produce fissionable material for nonpeaceful purposes.
June 22, 1966
Note on the Third Session of the Preparatory Commission for the Denuclearization of Latin America held in Mexico City from April 19 to May 4, 1966
As a result of the commission, a draft treaty has been prepared for the creation of a Nuclear Weapon Free Zone. Brazil and Mexico have rival approaches to denuclearization.
July 06, 1967
Argentina Naval Intelligence Service, 'Brazil: Prospects in the Field of Nuclear Energy'
This is an Intelligence Report regarding Brazil’s nuclear activities prepared by the Argentine Navy, which seeks to estimate Brazil’s nuclear intentions in the near future. It is mainly based on newspaper articles as well as declarations of Brazilian high-ranked scientists, diplomats and military officials.
October 04, 1967
Minutes of the Fortieth Session of the Brazilian National Security Council
Guidelines for the Brazilian nuclear policy in Costa e Silva’s government (1967-1969) and defines the diplomatic attitude of Brazil regarding the negotiations of the Non-Proliferation Treaty (NPT). During the meeting of the National Security Council, participants agreed on the need to cooperate with another country to start a national nuclear program. On the NPT negotiations, the members of the National Security Council agreed to establish a condition to adhere to the Treaty: the defense of the right to develop peaceful nuclear explosions. Several ministers defended the possibility of using nuclear energy in the future for international security reasons.
April 02, 1969
Telegram to the President of Brazil on the Draft of the General Agreement on Cooperation in Science and Technology between Brazil and West Germany
A Telegram/Cable sent by the Minister of External Relations, José de Magalhães, to the President of the Republic of Brazil, regarding the draft of the General Agreement on Cooperation in Science and Technology between Brazil and West Germany.
May 02, 1969
Brief Study of Draft of the General Agreement on Science and Technology between Brazil and West Germany
This document is an evaluation of the General Agreement on Science and Technology between Brazil and West Germany. It provides the guidelines of the Brazilian Nuclear Policy, which stimulated the continuation of programs, contacts and agreements in the nuclear field. Moreover, the document reveals that the Brazilian government understood that it needed the cooperation of foreign partners, like West Germany, in order to advance its nuclear program.
November 20, 1970
Letter from Director of the Bureau of International Scientific and Technological Affairs Herman Pollack to Miller N. Hudson, Jr. at the US Embassy in Rio De Janeiro
Miller thanks Pollank for his letter (attached) with historical background on Brazil's interest in developing nuclear weapons.