The Three Kingdoms is a real period in history, but some contents in The Romance of the Three Kingdoms are different from those in the official history. The Three Kingdoms (220-280) is a historical period connecting the Eastern Han Dynasty and the Western Jin Dynasty. There are mainly three regimes: Cao Wei, Shu Han and Sun Wu. 184, the yellow turban insurrectionary broke out during the reign of Emperor Ling of the Han Dynasty. In order to quell the rebellion, stabilize the local area, authorize the local secretariat and state animal husbandry, monopolize the local military and political power, and lay the groundwork for the warlord's separatist regime. /kloc-After the death of Emperor Han Ling in 0/89, civil strife was caused by the conflict between eunuchs and general He Jin, and the court was controlled by warlord Dong Zhuo. Dong Zhuo practiced tyranny and abolished the emperor, so local governors and warlords rebelled against Dong Zhuo.

Battle of Red Cliffs and Cao Cao were defeated by Sun Liu's allied forces, which laid the rudiment of the tripartite confrontation among the three countries. In 220, Cao Pi usurped the Han Dynasty and proclaimed himself emperor, with the title of "Wei" and the history of Cao Wei, and the history of the Three Kingdoms officially began. The following year, Liu Bei continued the Han Dynasty in Chengdu, known as Shu Han in history. In 222, Liu Bei lost the battle of Yiling, and Sun Quan won most of Jingzhou. When Liu Bei died in 223, Zhuge Liang helped Liu Chan, the son of Liu Bei, reunite with Sun Quan. In 229, Sun of the Eastern Jin Dynasty was formally established, known as Wu in history.

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Since the gradual formation of the Three Kingdoms, people have been forced to migrate because of rulers or wars. When Cao Cao attacked Zhang Lu, after he was captured, * * * moved some residents in the Eastern Han Dynasty of Shu into Shanhaiguan Pass. After Cao Pi established Luoyang as the capital, he moved to fifty thousand households in Jizhou and lived in Henan. After Wei destroyed Shu, 30,000 Shu people were moved to Luoyang and Guanzhong. Liu Bei owned Yizhou and moved to Chengdu Plain many times. After Zhuge Liang failed in the first Northern Expedition, he also moved the residents of Longxi to Hanzhong. In the early days, Sun Quan defeated Huang Zu, the satrap of Jiangxia, and plundered tens of thousands of men and women. After the founding of the People's Republic of China, in order to increase the population, he calmed down the mountains and moons and used them as "powerful people to fill households" to harass Huainan to gain population.

Baidu Encyclopedia-Three Kingdoms