HistoryData
Historical ConflictSan Carlos

Battle of San Carlos

The Battle of San Carlos ended Andresito's Misionero resistance by neutralizing his forces, securing Luso-Brazilian dominance in the contested Misiones region.

Duration & Scope

1818 ongoing

< 1 year

Key Facts

Year
1818
Luso-Brazilian force size
800 men and 2 artillery pieces
Battle duration
At least 3 days of intense fighting
Key location
Mission of San Carlos, modern-day Argentina

Strategic Narrative Overview

Chagas Santos advanced with 800 men, first seizing the chapel of San Alonso before pressing toward the Mission of San Carlos. Days of fierce combat forced Andresito's men back to the church and college. A relief column under Captain Arand was intercepted and destroyed, its commander killed, denying the defenders reinforcements. On the third day, fire broke out in the buildings sheltering the Misioneros, further eroding their capacity to resist.

01 / The Origins

The battle arose from the ongoing conflict between Luso-Brazilian forces and the Misionero independentists in the Misiones region. Following a prior defeat at the hands of Andresito, commander Francisco das Chagas Santos reorganized and launched a new campaign to subdue the Misionero resistance led by Andrés Guazurary, known as Andresito, who posed a persistent threat to Luso-Brazilian control over the area.

03 / The Outcome

The burning of their positions forced most Misionero defenders into submission, though Andresito and a number of his men escaped. The victory gave the Luso-Brazilians decisive control of the area and effectively eliminated Andresito as a meaningful military threat. His ability to mount further organized resistance in Misiones was broken, consolidating Luso-Brazilian influence in the contested region.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Luso-Brazilian forces
Peak Mobilized Forces800
Forces vs Casualties ratio
0Mobilized
Key Commanders

Francisco das Chagas Santos.

Side B

1 belligerent

Misionero independentist forces
Key Commanders

Andrés Guazurary (Andresito), Serapio Rodriguez, Captain Arand.

Outcome
Luso-Brazilian victory; Misionero resistance under Andresito effectively neutralized

Kinetic Engagement Axis

Major engagements timeline (1818–present)Timeline of major military engagements plotted chronologically.1818present1818Capture of the C…Allied1818Battle of San Ca…Allied1818Destruction of C…Allied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of San Carlos, ArgentinaMap of San Carlos, ArgentinaSan Carlos, Argentina