ORDER OF BATTLE // October 14, 1805
Battle of Elchingen
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 33,000 estimated
French Empire
17,000
Medium-confidence figure
Austrian Empire
16,000
Medium-confidence figure
Battle context
The French victory at Elchingen on 14 October 1805 directly collapsed Austrian cohesion in the Ulm sector. Ney's corps routed Riesch's Austrian force, inflicting roughly 6,000 casualties on a force of 16,000, and the defeat split the Austrian army: a large portion was driven into the fortress of Ulm and besieged there, while other formations scattered eastward. The encirclement at Ulm then produced an Austrian capitulation, and French forces mopped up most remaining Austrian units in the area. Elchingen was thus the battlefield action that sealed the Ulm Campaign, eliminating an entire Austrian army as an effective force and leaving the road into central Europe open to Napoleon's army.
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