Allied (Brazil, Argentina, Uruguay)

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Was a coalition of allied countries during the Paraguayan War (1864-1870).

Establishment

April 1866: The Allied Armies invaded Paraguayan Mainland by crossing the Paraná River.

April 1866: In 1866, during the Paraguayan War, the Battle of Tuiuti took place in Paraguay. The front line was based on a map drawn by Brazilian General Manuel Luís Osório, who led the Allied forces (Brazil, Argentina, Uruguay) against Paraguay.

May 1866: Battle of Estero Bellaco.

September 1866: After the conference, the Allies marched into Paraguayan territory, reaching the defensive line of Curupayty.

Chronology

Interactive Chronologies with maps are available in the section Changes Navigation

1. Paraguayan War

Was a war between Paraguay and the Triple Alliance of Argentina, the Empire of Brazil, and Uruguay. The war began due to disputes over areas in the Platine region. Paraguay was militarly occupied by the Triple Alliance and lost around 30% of its territory to Argentina and Brazil.

1.1.Invasion of Paraguay

Was the military invasion of Paraguayan mainland started on 16 April 1866 by the Allied Armies (Brazil, Argentina and Uruguay) during the Paraguayan War. .

July 1868: Humaitá fell to the allies on 25 July 1868, after a long siege.

January 1869: Asunción was occupied by Brazilian General João de Souza da Fonseca Costa.

January 1870: Villa occidental occupied by the Allied in 1869.

1.2.Brazilian Counterattack (Paraguayan War)

Was a Brazilian military action in territories occupied by Paraguay during the Paraguayan War.

April 1867: On April 21, Brazilian forces occupied the fort of Bella Vista, which had previously been burned by the Paraguayans.

1.3.Campaign of the Hills

Was the last campaign of the Paraguayan War, ending with the capture of Piribebuy, then serving as a temporary capital for the Paraguayan government.

August 1869: The Allied attack on the town of Piribebuy, then serving as a temporary capital for the Paraguayan government, lasted 5 hours, ending with the capture of the town.

August 1869: Battle of Acosta Ñu.

March 1870: Battle of Cerro Corá.

1.4.Loizaga - Cotegipe Treaty

Was a treaty that ended the Paraguayan War between Paraguay and Brazil, with large territorial cessions from Paraguay to Brazil.

January 1872: The Loizaga - Cotegipe Treaty was a treaty of peace and borders signed in Asuncion between Paraguay and the Empire of Brazil.

1.5.Machaín-Irigoyen Treaty

Was a treaty that ended the Paraguayan War between Paraguay and Argentina, with large territorial cessions from Paraguay to Argentina.

February 1876: The Machain - Irigoyen Treaty was a border treaty signed in Buenos Aires on 3 February 1876 between Paraguay and Argentina. Concluded in the aftermath of the Paraguayan War, it was signed by Facundo Machaín and Bernardo de Irigoyen.

1.6.Military Occupation of Paraguay

Was the Argentine and Brazilian military occupation of Paraguay after the Paraguayan War. It lasted until 1876.

January 1877: Argentine and Brazilian troops occupied Paraguay until 1876.