Sima Yan replaced Cao Wei's regime to establish the Western Jin Dynasty, and then the battle of Xiling wiped out Sun Wu, ending the tripartite confrontation between the three countries. Emperor Wu of Jin also made great efforts to curb extravagance and the national economy improved. However, in his later years, his brain fainted, the royal family was corrupt and abnormal, his family style was corrupt and he was extravagant. At that time, the story of Wang Kai and Shi Chong vying for wealth has been spread to the present, and the end of Sima Yan is in jeopardy. Instead of stopping it, he became more and more arrogant and extravagant.
Another major blow was the Eight Kings Rebellion. To put it simply, after the death of Emperor Wu of Jin Dynasty, Emperor Jinhui succeeded to the throne, and consort Yang Jun assisted in state affairs. Sima family background, a lot of sons and nephews, are not easy to mess with, all have a rebellious heart. So they all coveted the high position in the class and launched a big chaos among their brothers, which lasted for 16 years. During these sixteen years,
At this time, foreigners came to join in the fun, which has always been the foreshadowing of the demise of the Western Jin Dynasty. As early as the Eastern Han Dynasty, the ethnic minorities around the northwest of China began to migrate to the mainland to make up for the shortage of local manpower in the Central Plains. But gradually, the Han population in the north was completely replaced by the Hu people, and the military emptiness in the north was helpless.
In Yongjia Rebellion, Emperor Huai of Jin was killed by Xiongnu, then Xiongnu soldiers marched in and attacked Chang 'an, Emperor Wu of Jin was captured, and the Western Jin Dynasty was officially destroyed.