On this day, 99 years ago, on December 5, 1926 (November 1, 1926, the lunar calendar), Guo Songling and Zhang Zuolin fought in a scuffle in Northeast China. Fengjun's artillery position On December 5, 1926, Guo Songling defected and occupied Jinzhou. On the 13th, Yingkou and Shenyang were captured. Zhang Zuolin prepared to go wild and flee to Lushun. Guo Songling twice called the Japanese Minister and the Diplomatic Corps in China, declaring that he would protect foreigners in Northeast China, respect established treaties, and demand that Japan and other countries strictly abide by neutrality and not interfere in China's internal affairs. On the 7th, the Japanese Kwantung Army quickly gathered from Tieling, Liaoyang, Haicheng and other places to Fengtian Prefecture to guard against it. It also stated that it would not interfere in China's civil war, and warned Guo Songling's troops and the Fengjun not to disturb the Manchurian Railway affiliated areas and the Japanese garrison areas. On the 15th, the Japanese cabinet decided to mobilize a large number of Japanese troops from its mainland and Korea to Manchuria to reinforce Zhang Zuolin. The second warning was issued on the same day, strictly prohibiting direct combat actions on both sides of the Nanmanchuria Railway and within 20 miles of the railway, and prohibiting military actions that threaten public security in affiliated areas, otherwise all weapons will be disarmed. On the 18th, the commander of the Kwantung Army moved to Fengtian Provincial Capital to command the Japanese army. On the 19th, all the Japanese troops dispatched to Manchuria arrived in Fengzhou, with the commander-in-chief being Major General Yoshio Saito. The Japanese army defended the provincial capital of Fengtian on behalf of Zhang, and Zhang's guards quickly set off on the front line to fight. At the same time, the Japanese soldiers disguised themselves as Zhang Jun and attacked Guo Jun's left flank. Japanese soldiers and artillery joined the Fengjun defense line. On the 22nd, Guo Jun and Feng Jun fought fiercely in Juliu River. On the one hand, the Japanese army used 80 aircraft to bomb the Xinmin area with heavy bombs to cooperate with the Fengjun army on the frontal battlefield. On the other hand, it used the excuse that "the southern Manchuria affiliated areas are not allowed to invade" to prevent Guo Jun from advancing; At the same time, Feng Jun disguised himself to oppress the Guo Army from the left side, and covered Wu Junsheng's cavalry to copy the Guo Army's rear at Baiqi Fort. Guo's army was attacked on three sides and was defeated on the 23rd. Guo Songling and his wife abandoned the army and fled Yingkou and were arrested in Xinmin. On the same day, Zhang Zuolin ordered the Guo and his wife to be executed on the spot.