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Battle of Lake Khasan

Battle of Lake Khasan
Part of the Soviet–Japanese border conflicts
Battle of Lake Khasan-Red Army soldiers setting the flag on the Zaozernaya Hill.jpg
Lieutenant I.N. Moshlyak and two Soviet soldiers on Zaozyornaya Hill after the battle
Date July 29 – August 11, 1938
Location Lake Khasan, Soviet Union
Result

Stalemate, ceasefire

Soviets reoccupy Changkufeng
Territorial
changes
Soviet-Korean border set at Tumen River
Belligerents
 Soviet Union  Empire of Japan
 Manchukuo
Commanders and leaders
Vasily Blyukher
Nikolai Berzarin
Grigori Shtern
Suetaka Kamezo
Kotoku Sato
Strength
22,950 troops
345 tanks
13 self-propelled guns
237 artillery pieces
250 aircraft (including 180 bombers)
7,000–7,300 troops
37 artillery pieces
Casualties and losses
792 killed and missing
3,279 wounded and sick
96 tanks destroyed or crippled (Japanese sources)
Japanese sources:
526 killed
913 wounded

Stalemate, ceasefire

The Battle of Lake Khasan (July 29 – August 11, 1938), also known as the Changkufeng Incident (Russian: Хасанские бои, Chinese and Japanese: 張鼓峰事件; Chinese Pinyin: Zhānggǔfēng Shìjiàn; Japanese Romaji: Chōkohō Jiken) in China and Japan, was an attempted military incursion by Manchukuo (Japanese) into the territory claimed by the Soviet Union. This incursion was founded in the belief of the Japanese side, that the Soviet Union misinterpreted the demarcation of the boundary based on the Treaty of Peking between Imperial Russia and the Qing Dynasty China (and subsequent supplementary agreements on demarcation) and that the demarcation markers were tampered with. Japanese forces occupied the disputed area but withdrew after heavy fighting and a diplomatic settlement.

For most of the first half of the twentieth century, there was considerable tension between the Russian (later Soviet), Chinese and Japanese governments, along their common borders in what became North East China. The Chinese Eastern Railway or (CER) was a railway in northeastern China (Manchuria). It connected China and the Russian Far East. The southern branch of the CER, known in the West as the South Manchuria Railway, became the locus and partial casus belli for the Russo-Japanese War and subsequent incidents, leading to the Second Sino-Japanese War and Soviet-Japanese Border Wars. Larger incidents included the Sino-Soviet conflict of 1929 and the Mukden Incident between Japan and China in 1931. The battle of Lake Khasan was fought between two powers which had long mistrusted each other.


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