ORDER OF BATTLE // January 25, 1905
Battle of Sandepu
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 115,000 estimated
Empire of Japan
40,000
Medium-confidence figure
Russian Empire
75,000
Medium-confidence figure
Battle context
The Battle of Sandepu was a major land battle of the Russo-Japanese War, fought among villages roughly 36 miles southwest of Mukden in Manchuria. Despite the Russian Empire fielding nearly twice the Japanese force strength — 75,000 troops against 40,000 — both sides sustained heavy casualties, with Russian losses exceeding 13,900 and Japanese losses approaching 9,500. The engagement was part of the extended contest for Manchuria that culminated in the broader struggle around Mukden, the war's largest land battle. Sandepu reflected the attritional character of the Manchurian campaign, where neither side achieved decisive results through numerical advantage alone, and set conditions for the climactic confrontation at Mukden weeks later.
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