The fall of Nanjing: A desperate defense and a catastrophic collapse in 1937
In December 1937, the Chinese capital of Nanjing became the site of a brutal military siege. Despite Chiang Kai-shek's insistence on a firm stand, the city's defenses were quickly overwhelmed by the Imperial Japanese Army, leading to a disorganized retreat and a humanitarian tragedy that echoed for decades.
Following the intense three-month Battle of Shanghai, the Japanese military authorized a campaign to seize Nanjing. General Iwane Matsui, commander of the Central China Area Army, believed capturing the capital would force a Chinese surrender. In response, Chiang Kai-shek moved the government to Chongqing and tasked Tang Shengzhi with organizing the Nanjing Garrison Force to defend the city at any cost.
The defense was hampered by the poor condition of the troops, many of whom were exhausted survivors of the Shanghai campaign or hastily conscripted local recruits. While Nanjing was protected by formidable Ming Dynasty walls and a series of outer defensive lines, the Chinese army struggled with depleted equipment and lack of coordination. By early December, Japanese forces had breached the outer defenses and reached the Fukuo Line, the final barrier before the city walls.
As the Japanese pincer movement tightened, Chiang authorized a retreat on December 11, but the order arrived too late for an orderly withdrawal. The resulting breakout attempt collapsed into a chaotic rout, leaving many soldiers trapped as the city fell on December 13. The subsequent massacre of civilians and prisoners of war severely damaged Japan's international reputation, yet the war continued for another eight years until Japan's final surrender.
The battle remains a stark example of the human cost of the Second Sino-Japanese War. While Matsui had hoped for a swift victory, the fall of the capital did not break Chinese resistance. Instead, the conflict escalated, with the brutality of the occupation becoming a defining, contested, and deeply painful chapter in the history of the twentieth century.
Source: Battle of Nanking