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Origins of Brazil-Argentina Nuclear Cooperation

This selection of key documents show the origins of nuclear cooperation between Argentina and Brazil from the 1960s onwards. Together, these two countries averted a cycle of competition in the nuclear field that could have had serious geopolitical implications. See also Brazilian Nuclear History and the Origins of Nuclear Cooperation Critical Oral History Conference.

Popular Documents

November 1985

Brazil-Argentina Foz do Iguaçu Joint Declaration on Regional Nuclear Policy

President Alfonsín of Argentina and President Sarney of Brazil declare their commitment to peaceful nuclear energy cooperation and mutual guarantees.

March 23, 1980

Report from the President of Nuclebrás Paulo Nogueira Batista to Foreign Minister Saraiva Guerreiro, 'Trip to Buenos Aires'

The document reports that the presidents of CNEN, Hervásio de Carvalho, and Nuclebrás, Paulo Nogueira Batista, had an unplanned meeting with the Argentine Foreign Minister, Pastor, which said “to consider the Brazilian-Argentine understanding [in the nuclear field] a fundamental issue for a inductive strategy of strengthening political and economic stability in the region to the extent that both countries would be in a stronger position to collaborate with their neighbors”.

November 30, 1977

Ministry of Foreign Affairs Information to the President, 'Secretary of State Cyrus Vance's Visit'

According to a US document left behind by Cyrus Vance, Argentina had agreed to ratify the Treaty of Tlateloco, to accept full scope safeguards and to delay the construction of a reprocessing facility in exchange for US nuclear assistance and Brazil’s acceptance of a moratorium on the construction of a reprocessing facility. Commenting the paper, Foreign Minister Silveira defines US strategy as “irresponsible” and considers it as an encouragement to the rivalry and confrontation between Argentina and Brazil.

November 8, 1985

Brazilian Ministry of Foreign Relations, 'Information for the Meeting on Nuclear Issues with Argentine Authorities'

Information for a meeting between José Sarney and Raul Alfonsín and as a guide to the joint declaration on the peaceful character of nuclear programs and for the creation of a working group to promote cooperation between the two countries. Itamaraty recognized Argentina’s achievements in the nuclear realm. The last two paragraphs suggests the rejection of a possible Argentine proposal to create a system of mutual inspections.

October 1985

Brazil-Argentina Joint Statement on Regional Nuclear Policy

Proposed joint statement to create an Argentina-Brazil working group to discuss nuclear energy.