Ecuadorian–Peruvian War

Ecuadorian–Peruvian War
Part of the Ecuadorian–Peruvian Conflicts

Collage of photos during the Peruvian-Ecuadorian War
Date5 July 1941 – 31 July 1941 (combat) (3 weeks and 5 days)
Location
Result

Peruvian victory

Territorial
changes
Peruvian occupation of Ecuador; Ecuador loses almost half of its claimed territory
Belligerents
 Peru  Ecuador
Commanders and leaders
Manuel Prado
Eloy G. Ureta
Marciano Ramirez
Carlos Alberto Arroyo
Luis Rodríguez
Strength
5 July 1941:
9,000 soldiers
11 tanks
24 guns (from the Agrupamiento del Norte)
Total: 10,000 Peruvians soldiers
In Amazonia:
5,300
8 guns
In Quito:
12,000
Total: 17,300 Ecuadorians soldiers
Casualties and losses
310 killed & wounded 3,000+ killed & wounded

The Ecuadorian–Peruvian War, known locally as the War of '41 (Spanish: Guerra del 41), was a South American border war fought between 5–31 July 1941. It was the first of three military conflicts between Ecuador and Peru during the 20th century.

During the war, Peru occupied the western Ecuadorian province of El Oro and parts of the Andean province of Loja. Although the war took place during World War II, it is unrelated to that conflict, as neither country was supported by either the Allies or the Axis.

A ceasefire agreement between the two countries came into effect on 31 July 1941. Both countries signed the Rio Protocol on 29 January 1942, and Peruvian forces subsequently withdrew. Enmity over the territorial dispute continued after 1942, and the border disputes were not entirely resolved until the Cenepa War of 1995 and the signing of the Brasilia Presidential Act agreement in October 1998.