Today, 86 years ago, on April 7, 1939 (February 18, 1939), the Chinese army attacked Nanchang. Chinese soldiers fired a Japanese aircraft on April 7, 1939, White Chancellor Secretary Chiang Kai-shek, analyzed the failure of Nanchang because: (1) the road failed to be completely destroyed in advance; (2) the strategic reserves were used too early; (3) the river defense equipment failed to form in depth; (4) the quality of our troops was poor. On April 17, Chiang Kai-shek prepared a strategic plan after the loss of Nanchang, calling Nanchang, Chen, Chen, Chen, and congratulations, and issued a secret warrant: "First with the main force to attack the enemy along the southern border of Changzhou. Indeed, the enemy contact was