Battle of Ituzaingo
1827 CE · Rio Grande do Sul, Brazil
The Battle of Ituzaingo was fought in 1827 CE in Rio Grande do Sul, Brazil between United Provinces of the Río de la Plata vs the Empire of Brazil; Argentine-Uruguayan victory, though it did not decide the war.
Battle of Ituzaingo: quick facts
- Date
- 1827 CE
- Location
- Rio Grande do Sul, Brazil
- Belligerents
- United Provinces of the Río de la Plata vs the Empire of Brazil
- Commanders
- Carlos María de Alvear vs the Marquis of Barbacena
- Result
- Argentine-Uruguayan victory, though it did not decide the war.
- Era
- 🌎 Latin American Wars
- Quiz difficulty
- hard
What happened at the Battle of Ituzaingo?
The Battle of Ituzaingo was the largest engagement of the Argentine-Brazilian War. Argentine and Uruguayan forces under Carlos Maria de Alvear defeated the Imperial Brazilian army. The battle helped establish Uruguay as an independent nation, serving as a buffer state between Argentina and Brazil.
Did you know?
The Battle of Ituzaingo led to British-mediated negotiations that created Uruguay as an independent buffer state. Neither Argentina nor Brazil got what they wanted — instead, an entirely new nation was born.
Sources and further reading
- Battle of Ituzaingo on Wikipedia for the full account, historiography and primary sources.
- How BattleGuess compiles and checks battle facts: see the About page.
Entry last reviewed 26 September 2026.