ORDER OF BATTLE // May 31, 1499
Battle of Calven
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 18,300 estimated
Three Leagues
6,300
Medium-confidence figure
Maximilian I
12,000
Medium-confidence figure
Battle context
The Battle of Calven, fought at the exit of the Val Müstair into the Vinschgau in the County of Tyrol, was the decisive engagement of the Swabian War in the southern Grisons. The Three Leagues, fielding roughly 6,300 men under Benedikt Fontana and Capol, inflicted approximately 5,000 casualties on Maximilian I's force of 12,000 under Ulrich von Habsberg, while sustaining around 2,000 of their own. The scale of Habsburg losses determined the strategic outcome in this theater: following the defeat, Maximilian I was compelled to abandon his attempts to establish control over the Engadin and the Val Müstair. The battle effectively removed the southern Grisons as an active front in the Swabian War, shifting the weight of operations back to the northern border of the Old Swiss Confederacy. In the context of the wider conflict between the House of Habsburg and the Swiss and allied forces, Calven confirmed that the Three Leagues could defend their mountain approaches against a numerically superior royal army.
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