103 years ago today, on May 4, 1922 (April 8, 1922, the lunar calendar), Sun Yat-sen once again ordered the Northern Expedition. Sun Yat-sen ordered the Northern Expedition. On May 4, 1922, Sun Yat-sen ordered the Northern Expedition. In October last year, Sun Yat-sen proposed and passed the Northern Expedition proposal to the Extraordinary Congress, but it failed because of Chen Jiongming's sabotage. In March this year, Sun Yat-sen convened a temporary emergency military meeting to change the Northern Expedition plan and return to Guangzhou. After handling Chen Jiongming's mishandling, he once again ordered the Northern Expedition today, saying: Xu Shichang sent troops to Hunan and Hubei last year, not daring to sacrifice the country and the people. This country has no commanders and generals. They have separated their troops and carried out their duties personally to eliminate political darkness and evil, strengthen the unity of the country, and develop the rule of the people. Only Shichang and his accomplices were considered to be common thieves. Li Liejun was immediately appointed commander-in-chief of the Northern Expedition Army and Xu Chongzhi commander-in-chief. He put forward the slogan of "entrusted by the people, establish a republic, punish evil, and develop the rule of the people" and divided his troops into three routes to attack Jiangxi.