Spanish–Portuguese War (1776–1777)

Spanish–Portuguese War (1776–1777)
Part of the Spanish–Portuguese wars

Capture of Fort of Santa Tecla by Rafael Pinto Bandeira, drawing by Carlos Julião
DateFebruary 1776 – 24 February 1777
Location
Result First Treaty of San Ildefonso
Territorial
changes
Spain definitively conquers Colonia del Sacramento; Portugal recovers Rio Grande do Sul
Belligerents
Spanish Empire Portuguese Empire
Commanders and leaders
  • João Henrique Böhn
  • Robert MacDouall
  • Jorge Hardcastle
Strength
1,450 initially
9,000 expeditionary corps
6,000

The Spanish-Portuguese War, also known as the Second Cevallos expedition, was fought between 1776 and 1777 over the border between Spanish and Portuguese South America.