Show Notes
Last time we spoke about the Soviet-Japanese Border Conflict. The border between Soviet Manchuria and Japanese-occupied territories emerges not as a single line but as a mosaic of contested spaces, marks, and memories. A sequence of incidents, skirmishes along the Chaun and Tumen rivers, reconnaissance sorties, and the complex diplomacy of Moscow, Tokyo, and peripheral actors to trace how risk escalated from routine patrols to calibrated leverage. On the ground, terrain functioned as both obstacle and argument: ridges like Changkufeng Hill shaping sightlines, river valleys shaping decisions, and markers weathered by snow, wind, and drift. In command tents, officers translated terrain into doctrine: contingency plans, supply routes, and the precarious calculus of restraint versus escalation. Both nations sought to establish firmer defensive barriers against the other. Inevitably they were destined to clash, but how large that clash would become, nobody knew.
#176 The Changkufeng Incident Welcome to the Fall and Rise of China Podcast, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about the history of Asia? Kings and Generals have an assortment of episodes on history of asia and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel where I cover the history of China and Japan from the 19th century until the end of the Pacific War. In the last episode we broke down a general history of the Soviet-Japanese Border Conflict and how it escalated significantly by 1938. Colonel Inada Masazum serving as chief of the 2nd Operations Section within the Operations Bureau in March of 1938 would play a significant role in this story. When the Japanese command's attention was drawn to the area of Changkufeng, consideration was given to the ownership and importance of the disputed high ground. Inada and his operations section turned to an appraisal of the geography. The officers had been impressed by the strategic importance of the Tumen, which served to cut off the hill country from North Korea. In the Changkufeng area, the river was a muddy 600 to 800 meters wide and three to five meters deep. Japanese engineers had described rowing across the stream as "rather difficult." Russian roads on the left bank were very good, according to Japanese intelligence. Heavy vehicles moved easily; the Maanshan section comprised the Russians' main line of communications in the rear. To haul up troops and materiel, the Russians were obliged to use trucks and ships, for there were no railways apart from a four-kilometer line between the harbor and town of Novokievsk. Near Changkufeng, hardly any roadways were suitable for vehicular traffic. On the right, or Korean, bank of the Tumen, there were only three roads suitable for vehicular traffic, but even these routes became impassable after a day or two of rain. In the sector between Hill 52 to the south and Shachaofeng to the north, the most pronounced eminences were Chiangchunfeng and the humps of Changkufeng. Rocky peaks were characteristically shaped like inverted T's, which meant many dead angles against the crests. The gentle slopes would allow tanks to move but would restrict their speed, as would the ponds and marshes. In general, the terrain was treeless and afforded little cover against aircraft. Against ground observation or fire, corn fields and tall miscanthus grass could provide some shielding. Between Chiangchunfeng and the Tumen, which would have to serve as the main route of Japanese supply, the terrain was particularly sandy and hilly. This rendered foot movement difficult b
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Last time we spoke about the Third Battle of Changsha. In the depths of winter, as snow blanketed the land around Changsha, Chinese General Xue Yue set a trap he called the "Heavenly Furnace Tactic," approved by Chiang Kai-shek himself. The plan called for Chinese troops to fall back strategically, luring the Japanese deeper into hostile territory before snapping shut around them. General Okamura's Japanese forces pushed forward aggressively, sensing an opportunity as Chinese defenses appeared to crumble. The 6th Division forced its way across the Xinqiang River, colliding violently with Chinese defenders along the Miluo River line. The 20th and 37th Chinese Armies fought a grueling delaying action, retreating under pressure but never breaking, even as brutal cold and blinding snowfall turned the battlefield into a frozen hell. Frostbite claimed as many victims as bullets did, and visibility collapsed for both sides. As the fighting raged on, everything hinged on one question: could the Chinese forces close their trap before the Japanese realized they were being drawn into a killing ground?
Last time we spoke about the beginning of the Third Battle of Changsha. After China declared war on Japan following Pearl Harbor, General Xue Yue devised the "Heavenly Furnace Tactic" for the Ninth War Zone: lure Japanese forces deep into a trap around Changsha, let disgraced 10th Army commanders Li Yutang and Fang Xianjue redeem themselves by holding the city, while outer forces closed a ring to annihilate the invaders. Chiang Kai-shek approved the plan. Meanwhile, Japanese General Okamura, anxious that Hong Kong's imminent fall might render his Hunan offensive pointless, moved up his attack despite unprepared units. On December 24, amid brutal snow and freezing cold, Japan's 6th Division crossed the Xinqiang River, breaking through Chinese positions defended fiercely by Yang Hanyu's Sichuan troops, who bought crucial time through costly delaying resistance—including a battalion that fought to the last man. The furnace had been lit; the Third Battle of Changsha was underway, its outcome resting on whether the trap would close on the Japanese or collapse on its builders.
Last time we spoke about the fall of singapore. After Johore fell in ruin—Anderson's men massacred at Parit Sulong, Painter's brigade nearly wiped out—the last defenders retreated into Singapore on January 31, and Churchill demanded a fight to the last man, ordering resources destroyed rather than captured. Percival split the island into defensive zones but wrongly guessed the Japanese would strike the northeast; Yamashita had actually massed his real force in the west, using a decoy landing on Ubin Island to reinforce Percival's error. Aiming to seize Singapore by February 11, a date sacred in Shinto tradition, Yamashita struck west with devastating effect, shattering Australian brigades and racing toward Bukit Timah despite his own dwindling ammunition and fuel. British units collapsed into chaos and disobeyed orders while retreating. By February 15, water supplies were failing and commanders urged surrender. Percival met Yamashita at the Ford Factory and capitulated—Britain's worst military disaster, leaving Churchill haunted for the rest of his life.
Last time we spoke about the collapse of Johore. Trapped at Parit Sulong with 150 severely wounded, Lieutenant-Colonel Charles Anderson's Australians fought through Japanese roadblocks in a desperate bayonet charge singing "Waltzing Matilda." Unable to breach the bridge, Anderson was forced to abandon the injured, believing they'd receive decent treatment. Instead, they faced the Parit Sulong Massacre—tortured, executed, and incinerated by Nishimura's Imperial Guards. Few survived. Simultaneously, Endau fell after a costly RAF daylight raid. Brigadier Challen's brigade at Batu Pahat retreated through chaos, eventually evacuating by sampan. Most devastatingly, Brigadier Painter's 22nd Indian Brigade vanished into the jungle—a severed telephone line between brigades allowed Japanese infiltration, cutting them off completely. General Barstow died attempting to warn Painter. Only 63 of Painter's 2,000 men reached Singapore. The collapse of Johore was complete. The fortress awaited.
Last time we spoke about the beginning of the Malayan Campaign. In December 1941, Japan invaded British Malaya, aiming to cripple Allied power. Despite British defenses, General Yamashita's battle-hardened 25th Army overwhelmed them. The British fumbled early, failing to strike Japanese beachheads, while the sinking of Force Z left Malaya without naval protection. At Jitra, the absence of tanks proved devastating for the Indian defenders. Yamashita employed blitzkrieg tactics, using tanks and bicycles to exploit the terrain. The British, spread thin and under-resourced, retreated south, facing constant attacks and encirclements. The evacuation of Penang further demoralized the Allies, with locals turning against their colonial rulers.