CASUALTY RECORD // August 12, 1708
Siege of Lille
Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.
Casualties by side
2 sides catalogued · combined 20,000–23,000 estimated
United Provinces
13,000–16,000
Medium-confidence figure
France
7,000
Medium-confidence figure
Battle context
The Siege of Lille, begun on 12 August 1708, was a major Allied operation during the War of the Spanish Succession, bringing a combined United Provinces force of 35,000 under commanders including Eugene, Marlborough, Orange, Ouwerkerk, and Tilly against a French garrison of 16,000 led by Boufflers, with Vendôme, Burgundy, Berwick, and Maximilian II among the French commanders in the wider theater. Allied casualties of 13,000–16,000 against French losses of 7,000 indicate that the operation, whatever its outcome, was among the costlier engagements of the war for the attacking side. The scale of forces committed and the seniority of commanders on both sides reflect the strategic weight attached to Lille as an objective within the broader contest over the Spanish Netherlands during this phase of the conflict.
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