On this day, 95 years ago, on April 1, 1930 (March 3, 1930, the lunar calendar), Yan Xishan, Feng Yuxiang, and Li Zongren swore an oath to attack Chiang, and the Central Plains War broke out. Li Zongren Yan Xishan On April 1, 1930, Yan Xishan became the "Commander-in-Chief of the Army of the Republic of China", Feng Yuxiang and Li Zongren became the deputy commander-in-chief, and the three were sworn in Taiyuan, Tongguan and Guiping respectively. In his inauguration declaration, Feng Yuxiang accused Chiang Kai-shek of being the bane of national unrest, recounted Chiang Kai-shek's various evil deeds of trampling on democracy and abusing power and betraying the country, and vowed to eliminate this scourge for the country. The declaration said: "In recent months, large groups of bandits have burned and plundered in the Shaanxi and Gansu provinces. Anyone who has been plundered has iron scorns all over their bodies. When the army arrested the bandit leaders, they all had commissions issued by Chiang Kai-shek, chairman of the country." Yan Xishan took office and sent a telegram saying: "We will lead all armies and march into the Central Plains to save the party and state. In ancient times, there were people who held the emperor to order vassals, and the whole country must have them and attack them. Now, there are people who hold the party headquarters to provide power and blessings, and the whole country must also rise up and attack them. "Chiang Kai-shek took a photo with Feng Yuxiang (left) and Yan Xishan (1930) Before the Central Plains War, Feng Yuxiang's troops were ready for the Northeast Army to enter the Pass and arrive in Tianjin on Tongguan Red Square