Battle of Lahasusu
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The Battle of Lahasusu was a riverine clash fought during the Sino-Soviet conflict of 1929 around the mouth of the Songhua River.
Battle
The battle begun when the Soviet Amur Military Flotilla attacked the garrisoned city of Lahasusu from the river (Lahasusu is a Nanai toponym for Tongjiang, Heilongjiang).

The Soviet Shkval-class river monitors Lenin, Sverdlov, Sun Yat-Sen, and Krasny Vostok (originally classified as armoured turret river gunboats),[7]: 318 [8]: 324 and other minor units faced a Chinese flotilla of 11 vessels. The Chinese armed steamer Chiang Tai suffered a direct hit, while the monitor Lenin fire to the other armed steamer, Chiang Ping.

The river gunboat Li Chi managed to score hits on the Soviet monitor Sun Yat-Sen and the Kalmyk-class armoured river gunboat Proletariy[7]: 318 but was itself hit by Krasny Vostok,[9] although it eventually managed to escape upriver.[4]
Older sources report different transliterations of the Chinese vessels, stating that the armed steamers Chiang Tai and Chiang An were sunk, followed by Chiang Ping and the river gunboat Li Chien (ex-German vessel),[10][7]: 400 [8]: 412 [11] while the floating battery Tung Yi was abandoned and taken in tow by the Soviets. Four transport barges and two motorboats were also captured. While the Soviet side suffered casualties (five killed and 24 wounded), they lost no ships.[2]
Aftermath
With the river battle still ongoing, other Soviet vessels successfully landed troops close to Lahasusu and defeated the local garrison. As was common practice for the Soviets during this conflict, Soviet troops opened the grain stores of the city to distribute grain to the population to win their support.[12][2]
It was a heavy defeat for the Chinese, who were forced to gather their defense at Fujin: there the rest of their naval force was destroyed on October 31 and November 1, 1929.[13][14]
Notes
- 1 2 The figures are cited according to Soviet sources.[1][2] According to statements by the Chinese side, the number of Chinese troops was c. 2,600, with up to 900 killed in action. However, Russian historian Aleksey Pastukhov believes these numbers were intentionally inflated to make the Soviet attack look more severe in the eyes of the international community under the Kellogg–Briand Pact.[2]
References
- 1 2 3 Jumatiy 2019, p. 7.
- 1 2 3 4 5 6 7 Pastukhov 2019, p. 107.
- ↑ Jumatiy 2019, p. 6.
- 1 2 3 4 5 6 7 Pastukhov 2019, p. 106.
- ↑ Pastukhov 2019, p. 104.
- ↑ Pastukhov 2019, p. 105.
- 1 2 3 4 Gardiner, Robert; et al. (1985). Gray, Randal (ed.). Conway's All the World's Fighting Ships, 1906–1921. London: Conway Maritime Press. pp. 318, 400. ISBN 0-85177-245-5. ISBN 978-0-85177-245-5.
- 1 2 3 Gardiner, Robert; et al. (1980). Chesneau, Roger (ed.). Conway's All the World's Fighting Ships, 1922–1946. London: Conway Maritime Press. pp. 324, 412. ISBN 0-85177-146-7. ISBN 978-0-85177-146-5.
- ↑ Philip S. Jowett (2017). The Bitter Peace: Conflict in China 1928–37. Amberley Publishing Limited.
- 1 2 Gröner, Erich; Jung, Dieter; Maass, Martin (1982). Die deutschen Kriegsschiffe, 1815–1945 [German Warships, 1815–1945] (in German). Vol. 1: Panzerschiffe, Linienschiffe, Schlachtschiffe, Flugzeugträger, Kreuzer, Kanonenboote [Ironclads, Ships of the Line, Battleships, Aircraft Carriers, Cruisers, Gunboats]. München: Bernard & Graefe Verlag. pp. 171–172. ISBN 3-7637-4800-8.
- ↑ James William Christopher (1950). Conflict in the Far East. Brill Archive. p. 119.
- ↑ Jumatiy 2019, p. 11.
- ↑ Jumatiy 2019, pp. 7–8.
- ↑ Pastukhov 2020.
Further reading
- Jumatiy, Vladimir I. (2019). «Пусть они бегут и рассказывают другим, что на советскую землю нападать нельзя». К 90-летию вооружённого конфликта на КВЖД ["Let Them Run and Tell Others That the Soviet Land Must Not Be Attacked." On the 90th anniversary of the armed conflict at the Chinese Eastern Railway]. Военно-исторический журнал [Military Historical Journal] (in Russian) (10 #714): 4–13. ISSN 0321-0626. Archived from the original on March 20, 2024. Retrieved June 22, 2026.
- Pastukhov, Aleksey M. (2019). Опыт исторической реконструкции сражения за Лахасусу [An Experience in the Historical Reconstruction of the Battle of Lahasusu] (PDF). Культура и наука Дальнего Востока [Culture and Science of the Far East] (in Russian). No. 1 #26. pp. 99–109. ISSN 2542-1328. Archived (PDF) from the original on June 20, 2026. Retrieved June 22, 2026.
- Pastukhov, Aleksey M. (2020). Опыт исторической реконструкции сражения за Фугдин 31 октября — 1 ноября 1929 года [An Experience in the Historical Reconstruction of the Battle of Fujin from October 31 to November 1, 1929] (PDF). Культура и наука Дальнего Востока [Culture and Science of the Far East] (in Russian). No. 2 #29. pp. 50–59. ISSN 2542-1328. Archived (PDF) from the original on January 28, 2021. Retrieved June 22, 2026.

