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Historical ConflictOlivenza

Siege of Olivença

French capture of Olivenza in January 1811 cleared the way for Soult's subsequent siege of Badajoz during the Peninsular War.

Duration & Scope

1811 ongoing

< 1 year

Key Facts

Dates
19–23 January 1811
Spanish prisoners taken
Over 4,000
Duration of bombardment
4 days (19–22 January)
French infantry available after siege
~5,500
French cavalry strength
~4,000

Strategic Narrative Overview

Soult arrived before Olivenza on 11 January 1811 and detached cavalry to screen Mérida and Badajoz. When French heavy artillery arrived on 19 January, it quickly reopened a poorly repaired breach in the walls. After four days of bombardment, the breach was deemed sufficient for assault. The Spanish garrison, comprising four infantry battalions from the Army of Extremadura, found the fortress untenable and surrendered on 23 January 1811.

01 / The Origins

During the Peninsular War, French Marshal Soult advanced into Spanish Extremadura in early 1811 to relieve pressure on Masséna's army facing Wellington at the Lines of Torres Vedras. His route required neutralising the Spanish fortress at Olivenza before he could threaten the stronger position at Badajoz. Wellington had urged Spanish commanders to either demolish or fully repair Olivenza's defences, but conflicting orders left its garrison exposed in a structurally weak fortification.

03 / The Outcome

The fall of Olivenza yielded more than 4,000 Spanish prisoners, whom Soult was forced to escort back to Seville using two precious infantry battalions. This weakened his strike force to roughly 5,500 infantry. Nevertheless, Soult pressed on, and by 27 January 1811 he had commenced the first siege of Badajoz, hoping to draw Allied reinforcements away from the Lines of Torres Vedras.

Belligerents & Mobilization Analysis

Side A

1 belligerent

French Empire (Army of the South)
Key Commanders

Jean-de-Dieu Soult, André Briche.

Side B

1 belligerent

Spain (Army of Extremadura)
Estimated Casualties~4K
Key Commanders

Pedro de La Romana, Mendizabal.

Outcome
French victory; Spanish garrison of over 4,000 captured; Soult advanced to besiege Badajoz

Kinetic Engagement Axis

Major engagements timeline (1811–present)Timeline of major military engagements plotted chronologically.1811present1811Siege of OlivençaAllied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Olivenza, SpainMap of Olivenza, SpainOlivenza, Spain