HistoryData
Historical ConflictLandau in der Pfalz

Siege of Landau

The 1704 Siege of Landau secured a key Rhineland fortress for the Grand Alliance following the decisive Allied victory at Blenheim.

Duration & Scope

1704 ongoing

< 1 year

Key Facts

Duration
77 days (9 Sep – 25 Nov 1704)
Allied casualties
9,322 of all types
Garrison strength (pre-reinforcement)
~5,000 men
Imperial besieging force
~40,000 men
Garrison casualties at capitulation
2,600–5,000 killed, wounded, or sick

Strategic Narrative Overview

Following the Allied triumph at Blenheim on 13 August 1704, Margrave Louis of Baden's Imperial army—augmented by Austrian, Prussian, and Kreistruppen contingents—began investing Landau on 9 September. Marlborough and Eugene of Savoy held covering positions on the Lauter to prevent French relief. Artillery shortfalls were partly offset by guns captured at Ulm, enabling a sustained bombardment. The garrison, blinded commander Laubanie included, launched sorties but could not prevent progressive Allied gains.

01 / The Origins

The siege took place within the broader War of the Spanish Succession, a conflict over control of the Spanish throne that pitted France and its allies against the Grand Alliance of England, the Dutch Republic, Austria, and other European powers. Landau, a fortified town on the Rhine frontier, had already changed hands twice in the war and held strategic importance for controlling movement between France and the Holy Roman Empire.

03 / The Outcome

With the covered way lost and flood defences destroyed, Laubanie convened a council of officers on 23 November 1704 and beat the chamade. The garrison surrendered on 25 November and marched out the following day. Imperial forces entered Landau on 28 November. Both sides suffered heavy losses, with over 9,000 Allied casualties and up to 5,000 defenders killed, wounded, or sick by the capitulation.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Grand Alliance (Imperial, Austrian, Prussian, Kreistruppen)
Peak Mobilized Forces~40K
Estimated Casualties~9K
Casualty Rate23.3%
Forces vs Casualties ratio
0CasualtiesMobilized
Key Commanders

Margrave Louis of Baden, Joseph, King of the Romans, Duke of Marlborough, Prince Eugene of Savoy.

Side B

1 belligerent

French garrison of Landau
Peak Mobilized Forces~7K
Estimated Casualties~5K
Casualty Rate71.4%
Forces vs Casualties ratio
0CasualtiesMobilized
Key Commanders

Lt. Gen. Yrieix Masgontier de Laubanie, Duc de Villeroy.

Outcome
Grand Alliance victory; French garrison surrendered 25 November 1704; Landau passed to Imperial control

Kinetic Engagement Axis

Major engagements timeline (1704–present)Timeline of major military engagements plotted chronologically.1704present1704Siege of Ingolst…Side B1704Siege of Landau …Allied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Landau in der Pfalz, GermanyMap of Landau in der Pfalz, GermanyLandau in der Pfalz, Germany