Table 1.

Interstate war in the Americas, 1816–2010.

WarYearBattle deathsDuration (months)
Argentina-Brazil1825–28*8,00032
Peru-Great Colombia1828–29*4,0007
Bolivia-Peru War183560010
War of the Confederation1837–39*2,90034
War of Texan Independence1836*1,7006
Pastry War18392883
Peru-Bolivia1841*1,0007
Mexican-American1846–47*19,28317
La Plata1843–52*6,30091
Haiti-Dominican1855–56*1,00014
Filibuster1856–57*7,70022
Franco-Mexican1862–67*35,85058
(First) Central American1863*1,00010
Ecuador-Colombia18631481
War of the Restoration1863–65*14,88823
Paraguayan War1864–70*130,00064
Chincha Islands1865–667948
Ten Years War1868–78*90,000117
(Second) Central American1876*6,0001
War of the Pacific1879–83*13,86846
(Third) Central American1885*1,0001
Cuban Independence1895–98*5,96635
Spanish-American1898*3,6853
(Fourth) Central American1906*1,0002
(Fifth) Central American1907*1,0002
Leticia War1932*1,0578
Chaco War1932–35*88,39733
Zarumilla War19418000.5
Soccer/Football War19692060.133
Paquisha War198191
Malvinas/Falklands War19829042
Cenepa War1995931
WarYearBattle deathsDuration (months)
Argentina-Brazil1825–28*8,00032
Peru-Great Colombia1828–29*4,0007
Bolivia-Peru War183560010
War of the Confederation1837–39*2,90034
War of Texan Independence1836*1,7006
Pastry War18392883
Peru-Bolivia1841*1,0007
Mexican-American1846–47*19,28317
La Plata1843–52*6,30091
Haiti-Dominican1855–56*1,00014
Filibuster1856–57*7,70022
Franco-Mexican1862–67*35,85058
(First) Central American1863*1,00010
Ecuador-Colombia18631481
War of the Restoration1863–65*14,88823
Paraguayan War1864–70*130,00064
Chincha Islands1865–667948
Ten Years War1868–78*90,000117
(Second) Central American1876*6,0001
War of the Pacific1879–83*13,86846
(Third) Central American1885*1,0001
Cuban Independence1895–98*5,96635
Spanish-American1898*3,6853
(Fourth) Central American1906*1,0002
(Fifth) Central American1907*1,0002
Leticia War1932*1,0578
Chaco War1932–35*88,39733
Zarumilla War19418000.5
Soccer/Football War19692060.133
Paquisha War198191
Malvinas/Falklands War19829042
Cenepa War1995931

Sources:  Mares (2001), Centeno (2002), Wimmer and Min (2009), and Sarkees and Wayman (2010). For battle-death data, we consult Clodfelter (2017), Gibler (2018), and official government sources.

Data availability determines the temporal range. To 2024 no additional wars have occurred. *Denotes war by the scholarly definition (Sarkees and Wayman 2010).

Table 1.

Interstate war in the Americas, 1816–2010.

WarYearBattle deathsDuration (months)
Argentina-Brazil1825–28*8,00032
Peru-Great Colombia1828–29*4,0007
Bolivia-Peru War183560010
War of the Confederation1837–39*2,90034
War of Texan Independence1836*1,7006
Pastry War18392883
Peru-Bolivia1841*1,0007
Mexican-American1846–47*19,28317
La Plata1843–52*6,30091
Haiti-Dominican1855–56*1,00014
Filibuster1856–57*7,70022
Franco-Mexican1862–67*35,85058
(First) Central American1863*1,00010
Ecuador-Colombia18631481
War of the Restoration1863–65*14,88823
Paraguayan War1864–70*130,00064
Chincha Islands1865–667948
Ten Years War1868–78*90,000117
(Second) Central American1876*6,0001
War of the Pacific1879–83*13,86846
(Third) Central American1885*1,0001
Cuban Independence1895–98*5,96635
Spanish-American1898*3,6853
(Fourth) Central American1906*1,0002
(Fifth) Central American1907*1,0002
Leticia War1932*1,0578
Chaco War1932–35*88,39733
Zarumilla War19418000.5
Soccer/Football War19692060.133
Paquisha War198191
Malvinas/Falklands War19829042
Cenepa War1995931
WarYearBattle deathsDuration (months)
Argentina-Brazil1825–28*8,00032
Peru-Great Colombia1828–29*4,0007
Bolivia-Peru War183560010
War of the Confederation1837–39*2,90034
War of Texan Independence1836*1,7006
Pastry War18392883
Peru-Bolivia1841*1,0007
Mexican-American1846–47*19,28317
La Plata1843–52*6,30091
Haiti-Dominican1855–56*1,00014
Filibuster1856–57*7,70022
Franco-Mexican1862–67*35,85058
(First) Central American1863*1,00010
Ecuador-Colombia18631481
War of the Restoration1863–65*14,88823
Paraguayan War1864–70*130,00064
Chincha Islands1865–667948
Ten Years War1868–78*90,000117
(Second) Central American1876*6,0001
War of the Pacific1879–83*13,86846
(Third) Central American1885*1,0001
Cuban Independence1895–98*5,96635
Spanish-American1898*3,6853
(Fourth) Central American1906*1,0002
(Fifth) Central American1907*1,0002
Leticia War1932*1,0578
Chaco War1932–35*88,39733
Zarumilla War19418000.5
Soccer/Football War19692060.133
Paquisha War198191
Malvinas/Falklands War19829042
Cenepa War1995931

Sources:  Mares (2001), Centeno (2002), Wimmer and Min (2009), and Sarkees and Wayman (2010). For battle-death data, we consult Clodfelter (2017), Gibler (2018), and official government sources.

Data availability determines the temporal range. To 2024 no additional wars have occurred. *Denotes war by the scholarly definition (Sarkees and Wayman 2010).

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