The first one: Cao Wei, Shu Han and Soochow (220-263 AD).
The Three Kingdoms at the end of Han Dynasty was the earliest Three Kingdoms period, namely Wei, Shu and Wu. The formation of the Three Kingdoms was in 220 AD, in fact, when Liu Bei entered Yizhou in 2 14 AD. Among the three countries, Cao Wei is the strongest, and the world is divided into two parts. Harmony can't catch up with Wei, but harmony is also rich in talents and geographically dangerous, and it has been three-legged for more than 40 years. In 263 AD, Cao Wei destroyed Shu, ending the Three Kingdoms period, and was replaced by Sima's Jin Dynasty two years later. The Jin Dynasty wiped out Wu Dong in 280 AD, completing the unification. However, the unification of the Jin dynasty did not last long, and then a new era of the Three Kingdoms appeared.
The second one: Cheng Han, Jin Dynasty, (former Zhao Dynasty) (AD 306-AD 3 19).
Only ten years after the unification of the Western Jin Dynasty, the "Eight Kings Rebellion" broke out, which led to the weakness of the Western Jin Dynasty. In 306 AD, Li Xiong, a Pakistani, proclaimed himself emperor in Chengdu and founded the country, that is, became a Han; In 308 AD, Liu Yuan, a Hun, proclaimed himself emperor in Zuoguocheng, with the title of "Han", namely Han and Zhao. The emerging Cheng Han, Zhao Han and the former Jin Dynasty showed a tripartite confrontation. Some people may say that there are Daiguo and Liang Qian, but these two countries were only kings of Jin at that time, and they still belonged to Jin in name. As for Qiu Chi countries, their strength is very weak, and they cannot influence the hegemony of other countries. This situation did not last long. In 3 19 AD, the former Zhao general Schleswig launched a rebellion and established the post-Zhao, and the situation of the Three Kingdoms was broken.
Third: the post-Zhao, Cheng Han and the Eastern Jin Dynasty (329-349 AD).
After ten years of Northern War, Schleswig finally wiped out the former Zhao and the latter Zhao unified the Central Plains. Cheng Han captured south-central China. During this period, the post-Zhao, Cheng Han and the Eastern Jin Dynasties stood in a tripartite confrontation, which lasted for 20 years. There are other Eastern Jin vassal states: Liang Qian, Daiguo and Yan Qian. In 347 AD, Huan Wen of the Eastern Jin Dynasty conquered and destroyed the Han Dynasty. Two years later, the remnants of Korea were eliminated and the tripartite confrontation between the three countries was officially broken. The post-Zhao Dynasty also perished in 35 1 year, and separatist forces such as Yan Qian, Qian Qin, Wei Ran and Duan Qirui appeared in the north.
Fourth: Pre-Qin Dynasty, Pre-Yan Dynasty and Eastern Jin Dynasty (352-370 AD).
In 352 AD, Wei Ran perished. Fujian proclaimed himself emperor in Chang 'an and established the former Qin Dynasty. Murong Miao abandoned the prince of Yan, who was blocked in the Eastern Jin Dynasty, and proclaimed himself emperor in Zhongshan, establishing the former Yan. The emerging two countries and the ever-existing Eastern Jin Dynasty had a tripartite confrontation, which lasted for 18 years. In 370 AD, Fu Jian attacked Yecheng and destroyed Yan Qian, which broke this situation and started the confrontation between the Eastern Jin Dynasty and the former Qin Dynasty. Later, the former Qin dynasty destroyed the country, the former cool, unified the north, and annexed the eastern Jin and Shu regions, which seemed to have a great tendency to unify the whole country. However, with the failure of the Feishui War, the dream of reunification of the former Qin Dynasty was shattered, and the north fell into chaos again.
Fifth: Western Wei (Northern Zhou Dynasty), Eastern Wei (Northern Qi Dynasty) and Xiao Liang (Southern Chen Dynasty) (535-577 AD).
The situation of sixteen countries in the Eastern Jin Dynasty was ended by Liu Song and the Northern Wei Dynasty. The era of the Northern and Southern Dynasties is coming. The confrontation between the north and the south lasted until 534 AD. In 534 AD, the Northern Wei Dynasty split. Followed by Gao in the Eastern Wei Dynasty and Yuwen in the Western Wei Dynasty, Xiao Liang is in the south. In 550 AD, Gao replaced the Eastern Wei Dynasty and established the Northern Qi Dynasty. In 557 AD, the Northern Zhou Dynasty was established instead of the Western Wei Dynasty. This situation lasted for 42 years. In 577 AD, the Northern Zhou Dynasty annexed the Northern Qi Dynasty, and the Northern Zhou Dynasty fought against Nan Chen. In 58 1 year, Emperor Wendi of the Sui Dynasty usurped Zhou Jiansui, and in 589, Chen Nan was destroyed by the Sui Dynasty and the whole country was unified. Twenty years later, a great dynasty appeared, which became the peak of the second feudal era in ancient China.
Sixth: Northern Song Dynasty, Liao Dynasty and Xixia (1038-111/5).
In 9 16, Lu Ye Baoji proclaimed himself emperor and established the Khitan State. In 960, Zhou was usurped and the Northern Song Dynasty was established. In A.D. 1038, Li Yuanhao and Li Yuanhao proclaimed themselves emperors and established Xixia. Formed the Northern Song Dynasty, Liao Dynasty, Xixia tripartite confrontation situation. Among these three countries, Liao and Northern Song were powerful, while Xixia became a balancer to balance their strength. This situation was not broken until 1 1 15, when Akuta established the Jin State, and then the Jin State and the Northern Song Dynasty jointly destroyed the Liao State. In A.D. 1 127, after the State of Jin destroyed the State of Liao, the army went south and destroyed the Northern Song Dynasty.
Seventh: Southern Song Dynasty, Xixia and Jin State (1 127- 1227).
After the demise of the Northern Song Dynasty, the imperial clan emperor Zhao Gou established the Southern Song Dynasty in Nanjing and moved the capital to Lin 'an. Xixia surrendered to the state of Jin. The Southern Song Dynasty, Xixia and Jin Kingdom were three pillars. The Southern Song Dynasty and the Jin State were at war in the early days. The Southern Song Dynasty wants to recover its homeland, and the State of Jin wants to unify the world. However, as time went on, they found that they could not annex each other. In 1 14 1 year, Jin and Song reached a peace agreement in Shaoxing, and there was a clever balance among the three countries. However, in the territory of the State of Jin, there is a growing force of flood and drought, which will sweep across Eurasia in a few decades.
Eighth: Mongolia, Jin and Southern Song Dynasty (1227- 1234).