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CASUALTY RECORD // December 9, 1809

Walcheren Campaign

Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.

Casualties by side

2 sides catalogued · combined 11,500–12,066 estimated

  • France

    8,000

    Medium-confidence figure

  • United Kingdom

    3,500–4,066

    Medium-confidence figure

Battle context

The Walcheren Campaign was a British expeditionary effort intended to relieve pressure on Austria by opening a second front against France in the Kingdom of Holland during the War of the Fifth Coalition. The expedition's objectives — capturing Flushing and Antwerp and securing British naval access to the Scheldt River — were not achieved. With Austria's struggle against France already faltering, the campaign's failure meant Britain could not translate its maritime strength into meaningful continental leverage at a critical moment. The British force of roughly 39,000–40,000 troops substantially outnumbered the approximately 19,000 French defenders, yet the expedition did not produce the strategic results intended. British casualties reached over 3,500 while French losses were considerably higher at around 8,000, but the attrition did not translate into territorial or operational gains. The failure reinforced the limits of British power projection onto the European continent without a sustained land campaign.

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Sources (14)

Last verified June 2026
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