1, Sima family inherited 16 emperors. Jin Dynasty (266-420) is a dynasty in the history of China, which is divided into two periods: the Western Jin Dynasty and the Eastern Jin Dynasty. Among them, the Western Jin Dynasty was a unified dynasty in the history of China, and the Eastern Jin Dynasty was one of the six dynasties. The Jin Dynasty was passed on to the 15th emperor in 155.

In 2.266, Wei was usurped and political power was established. The name of this country is Jin and Luoyang is its capital. History is called the Western Jin Dynasty, and Sima Yan is the Emperor of Jin Dynasty.

In 3.280, the Western Jin Dynasty wiped out Wu and completed reunification. After the Eight Kings Rebellion and Yongjia Disaster, the national situation gradually declined.

In 4.3 13, the Jin emperor moved to Chang 'an, and in 3 16, the Western Jin Dynasty was destroyed by Xiongnu.

In 5.3 17, the royal family of the Western Jin Dynasty crossed the river to the south, and Si Marui continued the Jin Dynasty in Jianye (now Nanjing, Jiangsu), which was called the Eastern Jin Dynasty in history. The Eastern Jin Dynasty made many northern expeditions to the Central Plains.

After the war between the Eastern Jin Dynasty and the former Qin Dynasty in 6.383, the Eastern Jin Dynasty was temporarily consolidated.

7. During the Jin Dynasty, the Han people who migrated from north to south brought a lot of productive forces and advanced technology into Jiangnan, and further developed Jiangnan. In 420, Liu Yu established Liu Song, and the Eastern Jin Dynasty perished. The history of China entered the Southern and Northern Dynasties.