CASUALTY RECORD // August 25, 1904
Battle of Liaoyang
Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.
Casualties by side
2 sides catalogued · combined 42,034 estimated
Empire of Japan
22,922
Medium-confidence figure
Russian Empire
19,112
Medium-confidence figure
Battle context
Liaoyang was the principal Russian military base for southern Manchuria and a critical node on the South Manchurian Railway linking Port Arthur with Mukden, making it one of the most strategically weighted objectives of the land campaign. The city's three defensive lines reflected its recognized importance to Russian operations in the theater. Japanese forces under Ōyama Iwao, committing over 127,000 troops against a Russian force of approximately 149,000 under Kuropatkin, sustained casualties of nearly 23,000 against Russian losses of around 19,000, underscoring the intensity of the engagement. Control of Liaoyang directly affected Russian ability to sustain and coordinate forces across southern Manchuria, and its fall would sever or threaten the logistical corridor that underpinned the entire Russian position in the region.
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