Key Facts
- Date
- 30 September – 1 October 1285
- Role in conflict
- Last battle of the Aragonese Crusade
- Preceding naval battle
- Battle of Les Formigues, 4 September 1285
- Result
- Severe French defeat during Pyrenees retreat
Strategic Narrative Overview
French forces invaded Aragon in 1285 under Philip III, pressing deep into Aragonese territory. However, the campaign faltered militarily and logistically. The Aragonese navy inflicted a significant blow at the Battle of Les Formigues on 4 September 1285, cutting French supply lines. By late September, the French army was withdrawing northward over the Pyrenees when Aragonese forces caught and attacked them at the Col de Panissars.
01 / The Origins
The Aragonese Crusade was a papally-sanctioned war launched on behalf of Charles of Valois to wrest the Aragonese throne from Peter III, who had been excommunicated after conquering Sicily in defiance of papal interests. Pope Martin IV backed Philip III of France as the instrument of this campaign, framing the conflict as a religious crusade against a king deemed an enemy of the Church.
03 / The Outcome
The French suffered a severe defeat at Col de Panissars on 30 September and 1 October 1285, effectively ending the Aragonese Crusade. Philip III of France died shortly after the campaign, and the crusade collapsed without achieving its objectives. Peter III retained his throne and his hold over Sicily, marking a failure of papal and French efforts to impose a dynastic change on Aragon.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Philip III of France.
Side B
1 belligerent
Peter III of Aragon.
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.