ORDER OF BATTLE // June 24, 1838
Battle of Montenegro
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
1 sides catalogued · combined 1,900 estimated
Peru–Bolivian Confederation
1,900
Medium-confidence figure
Battle context
The Battle of Montenegro, also known as the Battle of Cuyambuyo, was an engagement of the Tarija War, a theater of the broader War of the Confederation fought between Argentina and the Peru–Bolivian Confederation. Occurring on 24 June 1838, the battle involved a Peru–Bolivian Confederation force of approximately 1,900 troops under Otto P. Braun and F. Burdett O'Connor, opposed by Argentine Confederation forces under Gregorio Paz. The Peru–Bolivian Confederation sustained casualties estimated between 180 and 300, indicating a contested and costly engagement. Beyond these particulars, the recorded outcome and its effect on the wider campaign are not documented in the available sources.
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