Ninety years ago today, on May 22, 1935 (April 20, 1935 in the lunar calendar), the Long March Red Army passed through the Yi area. Some Yi soldiers who participated in the Red Army arrived in northern Shaanxi during the Long March and took pictures of the Yi people's Guji detachment painted by Huang Zhen. On May 22nd, the main force of the Red Army entered the Yi people area in Liangshan. Zhu De issued the Notice of the Chinese Workers' and Peasants' Red Army in the name of the Commander-in-Chief of the Chinese Workers' and Peasants' Red Army, saying: The Chinese Workers' and Peasants' Red Army liberates the weak and small nations; All Yi and Han civilians are brothers. Hate Sichuan warlords, oppressing Yi people is too poisonous; Exorbitant taxes and miscellaneous taxes, and arbitrary killings, the Red Army's Long March, and its direction is overwhelming; Now I have come to western Sichuan and respect the customs of Yi people. Military discipline is very strict, not moving a drop; Food is purchased fairly and delivered at full prices. All the Yi people, don't doubt and flinch; Hurry up and unite to expel the warlords. Establish a Yi government, and the Yi people manage the Yi people; True equality and freedom, and no longer be bullied. I hope to publicize it hard and broadcast it to Xishu. On the same day, according to the customs and habits of the Yi people, Liu Bocheng, chief of the General Staff of the Central Revolutionary Military Commission, made a blood alliance with Xiaoye Dan, the leader of the Yi Guji ethnic group, became brothers, established the Yi Guji detachment of the Chinese Workers and Peasants Red Army, and made the old Wu ethnic group neutral. With the help of Yi compatriots, the Red Army successfully passed through the Yi people area on the 23rd, and entered Anshunchang on the south bank of Dadu River on the evening of 24th. Yi people's guide painted on the way to the Long March in Huangzhen