ORDER OF BATTLE // March 15, 1811
Battle of Foz de Arouce
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 15,000 estimated
United Kingdom
8,000
Medium-confidence figure
French Empire
7,000
Medium-confidence figure
Battle context
The Battle of Foz de Arouce was an engagement of the Peninsular War fought on 15 March 1811 between Anglo-Portuguese forces under Arthur Wellesley and French forces under Marshal Michel Ney. French casualties reached 250, while the engagement formed part of the broader contest between Allied and French forces on the Iberian Peninsula. The source record does not detail the battle's operational outcome or its effect on the surrounding campaign.
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