✦ History

Paraguayan War

November 12, 1864 – March 1, 1870

Result Allied victory

Paraguay under Francisco Solano López fought the Triple Alliance of Brazil, Argentina and Uruguay. The war ended with López's death at Cerro Corá and the loss of a large part of Paraguay's population.

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Battles and events 28

December 1864 – April 1868
Mato Grosso campaign Initial Paraguayan conquest; Paraguayan withdrawal Mato Grosso Province Francisco Solano López, Bernardino Caballero, Vicente Barrios
May 1, 1865
Treaty of the Triple Alliance Buenos Aires
June 11, 1865
Battle of Riachuelo Brazilian victory Riachuelo Francisco Manuel Barroso, Baron of Amazonas, Pedro Ignacio Meza
July 16 – September 18, 1865
Siege of Uruguaiana Allied victory, Paraguayan surrender on 18 September Uruguaiana Pedro II of Brazil, Prince Gaston, Count of Eu, Bartolomé Mitre
July 18, 1865
Battle of Paso de Mercedes Brazilian victory Corrientes Province Francisco Manuel Barroso, Baron of Amazonas
August 12, 1865
Battle of Paso de Cuevas Allied victory Corrientes Province Francisco Manuel Barroso, Baron of Amazonas
August 17, 1865
Battle of Yatay Allied victory Yatay creak Venancio Flores
January 31, 1866
Battle of Pehuajó Paraguayan victory Corrientes Province Francisco Isidoro Resquín
April 16, 1866 – August 5, 1868
Humaitá campaign Allied victory Ñeembucú Department Luís Alves de Lima e Silva, Duke of Caxias, Francisco Solano López, José Eduvigis Díaz
May 2, 1866
Battle of Estero Bellaco Allied victory Ñeembucú Department José Eduvigis Díaz, Venancio Flores, Manuel Luís Osório, Marquis of Erval
May 24, 1866
Battle of Tuyutí Allied victory Tuyutí José Eduvigis Díaz, Bartolomé Mitre, Venancio Flores
July 16–18, 1866
Battle of Boquerón (1866) Paraguayan victory Ñeembucú Department
September 1–3, 1866
Battle of Curuzú Allied victory José Eduvigis Díaz, Bartolomé Mitre, Joaquim Marques Lisboa
September 22, 1866
Battle of Curupayty Paraguayan victory Curupaiti Fort José Eduvigis Díaz, Bartolomé Mitre, Venancio Flores
August 15, 1867
Passage of Curupayty (1867) Brazilian Navy/Allied victory Curupaiti Fort Francisco Solano López
November 3, 1867
Second Battle of Tuyutí Allied victory Tuyutí Manuel Marques de Sousa, Count of Porto Alegre, Vicente Barrios
February 19, 1868
Passage of Humaitá Brazilian victory Humaitá
March 2, 1868
Assault on the battleships Cabral and Lima Barros Brazilian victory Paraguay River
July 18, 1868
Battle of Acayuazá Paraguayan victory Chaco Bernardino Caballero
August 1868 – January 1869
Pikysyry campaign Allied victory Central Department Luís Alves de Lima e Silva, Duke of Caxias, Prince Gaston, Count of Eu, Francisco Solano López
December 6, 1868
Battle of Ytororó Brazilian victory Ytororó stream Luís Alves de Lima e Silva, Duke of Caxias, Bernardino Caballero
December 11, 1868
Battle of Avay Brazilian victory Luís Alves de Lima e Silva, Duke of Caxias, Bernardino Caballero
December 21–27, 1868
Battle of Lomas Valentinas Allied victory Lomas Valentinas Forts Luís Alves de Lima e Silva, Duke of Caxias, Francisco Solano López, Bernardino Caballero
December 21, 1868
1868 San Fernando massacre
June 1869 – March 1, 1870
Campaign of the Hills Allied victory Deodoro da Fonseca, Prince Gaston, Count of Eu, Francisco Solano López
August 12, 1869
Battle of Piribebuy Brazilian victory Piribebuy Prince Gaston, Count of Eu, Manuel Luís Osório, Marquis of Erval
August 16, 1869
Battle of Acosta Ñu Allied victory Eusebio Ayala Prince Gaston, Count of Eu, Bernardino Caballero
March 1, 1870
Battle of Cerro Corá Brazilian victory Cerro Cora National Park Francisco Solano López, Domingo Francisco Sánchez

Key commanders

Triple Alliance 12

Pedro II of Brazil belligerent leader Luís Alves de Lima e Silva, Duke of Caxias military commander Prince Gaston, Count of Eu military commander Bartolomé Mitre military commander Domingo Faustino Sarmiento military commander Venancio Flores military commander Manuel Luís Osório, Marquis of Erval military commander Joaquim Marques Lisboa military commander Manuel Marques de Sousa, Count of Porto Alegre military commander Emílio Mallet military commander Antônio de Sampaio military commander Francisco Manuel Barroso, Baron of Amazonas military commander

Paraguay 7

Francisco Solano López belligerent leader Domingo Francisco Sánchez military commander José Eduvigis Díaz military commander Bernardino Caballero military commander Vicente Barrios military commander Pedro Ignacio Meza military commander Francisco Isidoro Resquín military commander

Empire of Brazil 9

Carlos de Morais Camisão military commander Hermenegildo Portocarrero, Baron of Forte de Coimbra military commander Luís Alves de Lima e Silva, Duke of Caxias military commander Bartolomé Mitre military commander Manuel Luís Osório, Marquis of Erval military commander Joaquim Marques Lisboa military commander Manuel Marques de Sousa, Count of Porto Alegre military commander Prince Gaston, Count of Eu military commander Deodoro da Fonseca military commander