Key Facts
- Date
- 20–21 April 1797
- Combined casualties (killed/wounded)
- ~6,000 (approx. 3,000 per side)
- Austrian prisoners taken
- 2,000
- Artillery pieces captured
- 13
- Context
- War of the First Coalition, French Revolutionary Wars
Strategic Narrative Overview
On 20–21 April 1797, French forces under General Jean Victor Marie Moreau crossed the Rhine near Diersheim and engaged the Habsburg army commanded by Anton Count Sztáray de Nagy-Mihaly. The fighting was intense and costly on both sides, with roughly 3,000 killed or wounded each. Austrian General Wilhelm von Immens was killed during the battle, and Sztáray himself was badly wounded. Despite fierce resistance, the Austrians were ultimately forced to retreat, losing 2,000 prisoners and 13 artillery pieces to the French.
01 / The Origins
The Battle of Diersheim took place within the broader War of the First Coalition, in which revolutionary France faced a coalition of European monarchies alarmed by the spread of republican ideology. By early 1797, French armies were pressing into Habsburg-controlled territories along the Rhine. General Moreau commanded French forces on the Upper Rhine front, seeking to maintain military pressure on Austria even as diplomatic negotiations between Napoleon Bonaparte and Austrian representatives were already underway.
03 / The Outcome
Although the French achieved a clear tactical victory, the battle proved strategically futile: Napoleon had signed the Preliminaries of Leoben with Austria just days earlier, effectively calling for a ceasefire. The fighting at Diersheim was therefore regarded as a wasteful loss of lives. Nevertheless, Moreau's competent performance enhanced his military reputation. The preliminary agreement at Leoben would shortly lead to the Treaty of Campo Formio, formally ending the War of the First Coalition.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Jean Victor Marie Moreau.
Side B
1 belligerent
Anton Count Sztáray de Nagy-Mihaly, Wilhelm von Immens.
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.