Atlas of Battles

siege, nineteenth century

First Siege of Callao

First Siege of Callao was a siege conducted on 13 July 1821 at Callao, in what is now Peru; it lasted 2 months. It was part of the Peruvian War of Independence, which ran from 1821 to 1824. The recorded result: Patriot victory; Creation and establishment of the Peruvian Navy in October 8. Recorded strength: 7,000 men; 8 warships against 2,000 soldiers and militiamen; 3 warships; Several armed merchant ships.

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Fought13 July 1821lasted 2 months
WhereCallao, Peru12.033S, 77.133W
OutcomePatriot victory; Creation and establishment of the Peruvian Navy in October 8.
BelligerentsLiberating Expedition; Peruvian patriotsagainstSpain; Viceroyalty of Peru
Casualties and lossesUnknownand400 casualties; 1,600 surrender
Part ofPeruvian War of Independence1821 to 1824

Where it sits in the Peruvian War of Independence

Battle of Huancayo, 1820Battle of Higos Urco, 1821First Siege of Callao, 1821Battle of Riobamba, 1822Battle of Zepita, 1823Battle of Callao, 1824Battle of Bellavista, 1824Battle of Corpahuaico, 182418201824First Siege of Callao, 1821
8 placed engagements of the Peruvian War of Independence in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date13 July 1821
to 19 September 1821
PlaceCallao, Peru
12.033S, 77.133W
KindSiege, nineteenth century
Strength7,000 men; 8 warships2,000 soldiers and militiamen; 3 warships; Several armed merchant ships
Casualties and lossesUnknown400 casualties; 1,600 surrender
Commanders
  • José de la Mar
  • Manuel Arredondo
First Siege of CallaoFirst Siege of CallaoSecond Siege of CallaoThird Siege of CallaoCapture of the schooner PeruvianaBattle of CallaoBattle of Portada de GuíasSecond Siege of CallaoChancayJaujaJunínChilcaHuachoTarmaLa Oroya100 km12.033S, 77.133W
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Contested ground: this site was fought over 5 times between 1821 and 1866.

In the same war

Elsewhere in 1821

First Siege of Callao is one of 3,507 engagements of the 19th century in the atlas and one of 89 in present-day Peru.

Sources

Identity, coordinates, dates and the war from Wikidata Q5807357, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article First siege of Callao, revision 1372494574, 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.