November 18, 1937 - Chinese Resistance Continues as Japanese Forces Move Toward Nanjing

On November 18, 1937, you're watching four Japanese divisions close in on Nanjing after marching roughly 190 miles from Shanghai in under five weeks, tearing through every Chinese defensive line in their path. The Wufu Line had already crumbled the day before, and the Xicheng Line would fall within days. Chinese forces were exhausted, undersupplied, and retreating in chaos. What happens next reveals just how quickly an entire capital can unravel.

Key Takeaways

• The Wufu Line, a layered defensive system meant to slow the Japanese advance, fell on November 19 despite pillboxes and artillery support.
• Shanghai fell in mid-November 1937, opening a direct path toward Nanjing as Chinese forces withdrew under constant Japanese pursuit.
• The 10th Army and 16th Divisions flanked Chinese positions, forcing a chaotic westward retreat toward the capital.
• Chinese defensive lines collapsed by November 26, with the Xicheng Line's fall creating an unobstructed corridor to Nanjing.
• Retreat logistics broke down during a 170-mile withdrawal, leaving Chinese forces exhausted, demoralized, and increasingly unable to resist.

Where Japan's Army Stood Three Weeks Before Taking Nanjing

By late November 1937, Japan's Central China Area Army had split into two prongs driving toward Nanjing. The Shanghai Expeditionary Army pushed from the east, while the 10th Army advanced from the south in a coordinated pincer. You can see how both forces used logistical staging points along captured territory to maintain their rapid momentum despite Chinese scorched earth tactics burning supplies and infrastructure ahead of them.

Weather impact slowed some movement, yet both armies stayed ahead of schedule. The 10th Army seized Guangde three days early, while the Shanghai Expeditionary Army would capture Danyang on December 2, five days ahead of plan. By early December, both forces converged on Nanjing's outskirts, leaving Chinese defenders scrambling to organize a coherent last stand before the city's walls. By the start of December, over 160,000 men had been assembled under the Central China Area Army, with approximately 70,000 directly participating in the fighting around Nanjing.

General Iwane Matsui commanded these forces, and the atrocities that followed the city's fall on December 13 would persist until late March 1938, with the massacre ultimately recognized by postwar tribunals including the International Military Tribunal for the Far East.

How the Fall of Shanghai Opened the Road to Nanjing

The fall of Shanghai set off a chain of events that handed Japan a clear path to Nanjing. When Chinese forces withdrew mid-November 1937, the Shanghai aftermath left their army disorganized and exposed. Japan's 10th Army and 16th Divisions had flanked Chinese positions, forcing a chaotic westward retreat toward the capital.

You can see how retreat logistics broke down almost immediately. Units that had fought street by street in Shanghai couldn't maintain cohesion during a 170-mile withdrawal under constant Japanese pursuit. By November 26, the Chinese line had fully collapsed.

Japan wasted no time exploiting that collapse. Marching at high speed from Shanghai, Japanese forces overcame scattered resistance and reached Nanjing's outer defenses by December 9, setting the stage for a brutal assault. The Chinese Nineteenth Route Army, which had numbered 31,000 troops at the outset of fighting, had been ground down to just 16,000 effectives before its withdrawal, leaving too few soldiers to mount any meaningful defense along the road to the capital.

From the very opening of the battle, Chiang Kai-shek had intended Shanghai as a calculated sacrifice, deploying his forces with the deliberate goal of diverting Japanese attention to the Yangtze delta while buying time to move industries inland and draw Western sympathy toward China's cause.

The Chinese Defensive Lines Japan Tore Through on the Way to Nanjing

China's defenses between Shanghai and Nanjing weren't a single line but a layered system designed to slow Japan's advance—and Japan tore through each layer in turn.

The Wufu Line fell first on November 19, its pillbox engineering—interlocking concrete fortifications backed by accurate artillery—earning it the nickname "new Hindenburg line." It didn't hold. Japan pushed through to the Xicheng Line, which collapsed by November 26, opening a direct corridor to Nanjing.

You'd see the pattern repeat: Chinese troops fought hard, sometimes to the death, but scorched retreats followed each breach. Kunshan fell in two days. Demoralized units abandoned posts and fell back southward. Nanjing itself would fall on December 13, 1937, under the command of Matsui Iwane, whose orders unleashed one of the war's most devastating atrocities upon the city's population.

As Japanese forces closed in, the Chinese government evacuated Nanjing on December 1, establishing a temporary capital at Chongqing and leaving civilian administration to an international committee under John Rabe.

Tang Shengzhi's Strategy for Holding Nanjing's Capital

With Nanjing now the last position standing, someone had to step forward and defend it. Chiang Kai-shek appointed Tang Shengzhi as garrison commander on November 25, 1937, and Tang wasted no time. He publicly vowed the city wouldn't surrender, gathered 100,000 soldiers, and hastily fortified key positions across Nanjing's walls, high points, and dock areas.

Tang's strategy was aggressive and uncompromising. He blocked civilian evacuation routes, burned villages, and on December 7, launched scorched earth tactics, destroying structures within two kilometers of the city. He stationed divisions at the Yangtze docks specifically to stop troops from fleeing.

His Combat No. 36 Order demanded soldiers defend their posts or die trying. Tang was betting everything on holding Nanjing, leaving no room for retreat. Many of the 100,000 soldiers under his command were defeated troops from Shanghai, arriving already broken and undertrained before the siege had even begun.

The fall of Nanjing on December 13, 1937, marked not only a military defeat but the beginning of one of the war's darkest chapters, as six weeks of atrocities followed, leaving an estimated 300,000 Chinese civilians and disarmed soldiers dead.

Why Nanjing Mattered More Than Any Other Chinese City

Nanjing wasn't just another city on the map — it was the beating heart of Chinese civilization. Its historical prestige stretched back over 1,800 years, serving ten dynasties and regimes. As a strategic crossroads, it controlled Yangtze River trade routes, bridging northern political centers with southern economic hubs.

Losing Nanjing meant losing China's soul. Consider what the city represented:

• Political legitimacy — capital of the Republic of China under Chiang Kai-shek
• Cultural identity — home to Sun Yat-sen's Mausoleum and 59 universities
• Economic power — ranked among the Global Financial Centres Index
• Military significance — Yangtze River access enabling defense and commerce

You couldn't separate Nanjing from China's national identity. Its fall would devastate Chinese morale irreparably. The city had first risen to regional prominence as capital of Wu under Sun Quan in 229 ce, establishing a legacy of political centrality that no other Chinese city could match. Its very name, meaning "Southern Capital," first appeared in a 6th-century reply by Xiao Zixian, a testament to the enduring symbolic weight the city carried across the centuries.

The Exhausted Troops Tasked With Defending Nanjing

The fall of Shanghai sent exhausted Chinese troops scrambling westward toward Nanjing, already broken after five brutal weeks of fighting. They'd failed to hold positions east of the city, losing Kunshan in two days, watching the Wufu line collapse by November 19, and surrendering the Xicheng Line by November 26.

You're now looking at an army experiencing total morale collapse. Chiang Kai-shek had expended his best units at Shanghai, leaving Nanjing's defense to exhausted conscripts — mostly untrained men rushed into uniform with no battlefield experience. On November 20, Tang Shengzhi took command, privately doubting his force's capabilities while projecting public confidence. He knew what you'd eventually see confirmed: these troops couldn't hold the city. Japanese forces had also sustained heavy casualties during the Battle of Shanghai, fueling widespread anger among soldiers that extended even to regiment commanders.

How Chiang Kai-shek's Government Abandoned Nanjing Before the Siege

Behind the crumbling morale of Nanjing's defenders was a government that had already decided to leave. This leadership flight triggered a swift political collapse that left soldiers and civilians abandoned.

By December 7, key figures had already gone:

• Chiang Kai-shek and Soong Mei-ling fled by private plane before dawn
• Nanjing's mayor and municipal government departed the same day
• The Nationalist government relocated to Wuhan
• Population dropped from over 1 million to under 500,000

You can see how this evacuation gutted any real command structure. Chiang had entrusted the city to Tang Shengzhi's garrison force, yet telegraphed retreat orders on December 11, contradicting earlier promises to defend Nanjing. The government's exit guaranteed disorder before Japan's assault even peaked. Nanjing's fall carried immense symbolic weight, as the city had served as the seat of power since Chiang declared it the national capital in April 1927 during the Northern Expedition. The Nationalist regime that abandoned Nanjing was the same government born of the Kuomintang's factional strife and bloodshed of 1927, when thousands of Communists and suspects were massacred in Shanghai and the ensuing weeks.

The Safety Zone Built to Shield Nanjing's Civilians From War

As Nanjing's government collapsed and its defenders crumbled, a small group of Western foreigners refused to leave. On November 22, 1937, they formed the International Committee for the Nanking Safety Zone, led by German businessman John Rabe.

The zone covered roughly 2 square miles in Nanjing's western district, stretching from Nanjing University to the northern gates. It included Ginling Women's Arts and Science College, the American embassy, and dozens of refugee camps bordered by roads on all four sides.

You'd find missionaries, businessmen, and journalists working together to shelter civilians from the approaching Japanese army. By the time Nanjing fell on December 13, the zone housed nearly 300,000 people, with the committee managing food, utilities, police, and medical care in the government's absence.

Rabe was elected leader partly because his Nazi Party membership lent him a degree of authority the Japanese were unlikely to dismiss, given the ties between Germany and Japan under the Anti-Comintern Pact.

The committee meticulously documented Japanese soldier misconduct, sending daily letters of protest to the Japanese embassy in Nanjing and to international organizations detailing the mass violence and rape occurring throughout the city.

How Japanese Command Authorized a Campaign of Deliberate Terror Against Nanjing

Before a single Japanese soldier entered Nanjing's gates, its commanders had already authorized systematic terror against the city's population.

Emperor Hirohito's imperial ratification on August 5, 1937, stripped Chinese prisoners of international law protections, sanctioning unrestricted violence across all operations.

The Tenth Army's November 30 plans confirmed premeditated escalation:

• Plan A ordered a headlong assault on Nanjing
• Plan B included incendiary bombs and chemical preparations using mustard gas
• Both plans targeted total annihilation if resistance continued
• Hirohito's earlier ratification provided the legal framework enabling both

You're watching a command structure that didn't stumble into atrocity—it engineered it.

Every order, every chemical canister stockpiled, reflected deliberate institutional decisions made weeks before Nanjing's walls were breached. The Japanese Army's contempt for Chinese prisoners operated at every level of command, establishing a culture in which lower standards for Chinese POWs were accepted as institutional norm long before the campaign reached Nanjing. By November 25, Japanese forces had already converged on three separate fronts—eastern, central, and western—tightening a strategic stranglehold that made Nanjing's encirclement a coordinated, deliberate act of military design rather than an improvised advance.

How Japan's Final Push Collapsed Nanjing's Defenses in Three Weeks

The fall of Nanjing didn't happen overnight—it unfolded across three brutal weeks of relentless Japanese pressure that systematically dismantled every defensive line China could muster.

Four Japanese divisions executed pincer movements while marching 190 miles from Shanghai to Nanjing in just five weeks. You can trace the collapse precisely: Japanese forces arrived outside city gates on December 9, Matsui ordered an all-out assault on December 10, and by December 13, Nanjing had fallen.

Supply failures crippled Chinese defenders already weakened by 80,000 casualties from Shanghai. Chaotic urban evacuation stripped the garrison of coherent command. Japanese artillery breached fortified walls, tanks punched through Shuixi Gate, and superior firepower overwhelmed exhausted defenders who couldn't replace their losses. This pattern of a larger force applying overwhelming military pressure to collapse a defensive position mirrors how Canadian militia overwhelmed Métis defenders at Batoche in 1885, where superior numbers ultimately broke a determined but undersupplied resistance.