siege, notable, nineteenth century

Great Siege of Montevideo

Name: Great Siege of Montevideo
Location: Montevideo, Uruguay

Great Siege of Montevideo was a siege conducted in August 1843 at Montevideo, in what is now Uruguay; it lasted about 8 years. It was part of the Uruguayan Civil War, which ran from 1839 to 1851. The recorded result: Ceasefire agreement; The siege is relieved after the intervention of the Empire of Brazil and Argentine province Entre Ríos.

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FoughtAugust 1843lasted about 8 years

WhereMontevideo, Uruguay34.867S, 56.167W

OutcomeCeasefire agreement; The siege is relieved after the intervention of the Empire of Brazil and Argentine province Entre Ríos

BelligerentsBesiegers: Cerrito Government; Argentine Confederation; Support: Federalist PartyagainstBesieged: Defense Government; Unitarian Party; Support: Empire of Brazil; Entre Ríos (1851); Corrientes (1851); Italian Redshirts; United Kingdom of Great Britain and Ireland; July Monarchy; Piratini (1843–1845)

Part ofUruguayan Civil War1839 to 1851

Where it sits in the Uruguayan Civil War

7 placed engagements of the Uruguayan Civil War in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date	August 1843 (month precision) to 8 October 1851
Place	Montevideo, Uruguay 34.867S, 56.167W
Kind	Siege, nineteenth century
Strength	1843: 3,630; 3,550; 1851: 11,000–14,000	1843: 3,000–8,000; 1,500–2,000; 400–600; 500; 1851: 12,000–19,000; 5,000; 1,500; (Reinforcements)
Commanders	Manuel Oribe Ángel Pacheco (general) William Brown (admiral) Justo José de Urquiza	Joaquín Suárez Melchor Pacheco y Obes José María Paz Martín Rodríguez (politician) José Rondeau Luís Alves de Lima e Silva, Duke of Caxias

The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Siege of Montevideo 1811, same recorded site
Siege of Montevideo 1812, same recorded site
Siege of Montevideo 1823, same recorded site
Battle of Cerrito 1812, 1.5 km N
Battle of Cardal 1807, 2.3 km SW

Contested ground: this site was fought over 7 times between 1807 and 1843.

In the same war

Before: Battle of Arroyo Grande 6 December 1842
After: Battle of India Muerta 1845
All 7 engagements of Uruguayan Civil War

Elsewhere in 1843

Great Siege of Montevideo is one of 3,507 engagements of the 19th century in the atlas and one of 32 in present-day Uruguay.

Sources

Identity, coordinates, dates and the war from Wikidata Q6130117, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Great Siege of Montevideo, revision 1382183766, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.