CASUALTY RECORD // April 24, 1809
Battle of the Basque Roads
Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.
Casualties by side
1 sides catalogued · combined 150–200 estimated
Empire français
150–200
Medium-confidence figure
Battle context
The Battle of the Basque Roads was a major naval engagement of the Napoleonic Wars fought in the narrow, shallow waters of the Basque Roads at the mouth of the Charente River on France's Biscay coast. Spanning from 11 to 24 April 1809, it was notable for pitting a hastily assembled British squadron of small and unorthodox warships against the main strength of the French Atlantic Fleet, a matchup dictated by the confined coastal terrain rather than conventional line-of-battle doctrine. French casualties reached 150–200. Beyond the tactical exchange, the battle carried lasting consequence through its controversial political aftermath in both Britain and France, generating disputes over credit and conduct that outlasted the engagement itself. Commanded on the British side by James Gambier and Thomas Cochrane, the battle's legacy was shaped as much by the political recriminations that followed as by the fighting.
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