Skip to content
The War AtlasThe · War · Atlas

CASUALTY RECORD // February 16, 1827

Battle of Umbu

Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.

Casualties by side

1 sides catalogued · combined 173 estimated

  • Provincias Unidas del Río de la Plata

    173

    Medium-confidence figure

Battle context

The Battle of Umbu was an engagement between the United Provinces of the Río de la Plata and the Empire of Brazil during the Cisplatine War. The United Provinces force of 1,190, commanded by Lucio Norberto Mansilla, suffered 173 casualties before withdrawing from the field. Command on the Brazilian side fell to Bento Manuel Ribeiro. The Republican withdrawal represented a setback in the ongoing contest over the Banda Oriental, the disputed territory at the heart of the Cisplatine War.

‹ Full battle dossier

Sources (2)

Last verified June 2026
Cite this page →Suggest a correction →