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Argentina & Brazil

PA03-0402
ID Number: PA03-0402 Description: Arms of Argentina and Brazil Country or State: Argentina Year: 27 August 1928 Face Value: 12 ¢ - Argentine centavo Series: Centennial peace with Brazil Subject/Theme: Treaty of Montevideo (1828) Legend: 27 DE AGOSTO - ...Read more



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ID Number: PA03-0402
Description: Arms of Argentina and Brazil
Country or State: Argentina
Year: 27 August 1928
Face Value: 12 ¢ - Argentine centavo
Series: Centennial peace with Brazil
Subject/Theme: Treaty of Montevideo (1828)
Legend: 27 DE AGOSTO - CENTENARIO DE LA CONVENCION DE PAZ ARGENTINO-BRASILERA
Perforation: 12¼ x 12¾
Printing: Offset lithography
Dimensions (B x H): 39 x 28 mm
Emission: 2,000,000
Catalog Number: Michel AR 333
Stamp Number AR 370
Yvert et Tellier AR 322
Stanley Gibbons AR 578
Gz (Cefiloza) AR 431
Götig and Jalil AR 656

In the Treaty of Montevideo, signed on 27 August 1828, after British mediation, Brazil and Argentina recognized the independence of Uruguay.

Called the Preliminary Peace Convention as a result of the meetings held by representatives from the Empire of Brazil and the United Provinces of Río de la Plata — the predecessor state for Argentina — between 11 and 27 August 1828 in Rio de Janeiro, Brazil. This convention, or treaty, accorded independence to Uruguay in respect to Brazil and Argentina. Uruguay's independence would be definitively sealed on 4 October of the same year when, in Montevideo, the signing nations ratified the treaty.

By 1828 the Cisplatine War had been fought to a stalemate with Argentina's land forces unable to capture any major cities, and Brazil forces pinned down and with severe lack of manpower for a full-scale offensive against Argentine forces. The heavy burden of the war and the increasing unlikelihood of any positive outcome led to heavy public pressure in Brazil to end the war through diplomacy.

In this context, on 20 February 1828 Brazil and Argentina decided to begin peace talks with mediation by Great Britain, who also had an interest in a peaceful resolution of the war due to the severe trade impediments the blockade of Buenos Aires had brought to the Plata region.

Lord John Ponsonby was chosen as mediator for the talks and was immediately faced with Argentina's unwillingness to allow Brazil to retain its sovereignty over Uruguay and by Brazil's demands to keep its sovereignty over the Missões Orientales, to free navigation in the Plata River and refusal to allow Argentina to annex any area of the Cisplatine Province.

With these considerations in mind, Posonby made a proposal for an independent Uruguay to placate both Brazil and Argentina in order to reestablish peace on La Plata, and conceded to the Brazilian demands regarding its sovereignty over the Missões Orientales and the right to freely navigate in the Plata River.

Although faced with initial Argentine opposition, the diplomat managed to convince Argentina that it was no longer viable to spend money on a war for the Eastern Province and managed to strike a deal on August 27, 1828.