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BATTLE // October 11, 1805

Battle of Haslach-Jungingen

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Overview

The Battle of Haslach-Jungingen, also known as the Battle of Albeck, fought on 11 October 1805 at Ulm-Jungingen north of Ulm at the Danube between French and Austrian forces, was part of the Ulm campaign during the War of the Third Coalition, which was a part of the greater Napoleonic Wars. The Austrians, despite their numerical advantage, were unable to make good use of it due to indecision resulting from an overestimation of the French numbers and the local terrain. The outcome of this battle was a French victory.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Haslach-Jungingen was a French victory fought north of Ulm during the Ulm campaign of the War of the Third Coalition. Despite facing an Austrian force several times their own size — roughly 25,000 against an estimated 4,000 to 6,000 men — Dupont's division held its position and inflicted around 1,100 Austrian casualties while sustaining approximately 1,500 of its own. The engagement contributed to the broader encirclement operation around Ulm that would result in the capitulation of Mack's army. Austrian indecision at Haslach-Jungingen reflected command paralysis that characterized the wider campaign, allowing Napoleon to consolidate his envelopment before the Austrians could mount an effective breakout or relief effort.

Tactics

The Austrians held a substantial numerical advantage but were unable to exploit it. Overestimation of French strength combined with indecision at the command level prevented effective use of their numbers, and the local terrain around Ulm-Jungingen further constrained Austrian maneuver. Beyond these factors, the source does not describe the specific dispositions or maneuvers employed by either side.

Forces & casualties

Troop strength

  • French Empire4,000–6,000
    medium
  • Austrian Empire25,000
    medium

Austrian Empire fielded a 5.0 : 1 numerical advantage

Casualties

  • French Empire1,500
    medium30% loss rate
  • Austrian Empire1,100
    medium4% loss rate

Commanders (2)

Austrian Empire

French Empire

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Last verified June 2026
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