Mr. Su reads history.

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1. The Xia Dynasty (about 2070- 1600 BC) was the first dynasty, which lasted for nearly 440 years. The main activity area was the middle and lower reaches of the Yellow River, which was equivalent to Shanxi, Henan and Hebei today.

2. Shang Dynasty (about 1600 BC-about 1046 BC)

3. Zhou Dynasty (1046-256 BC)

4. Qin Dynasty (221 BC-246 BC) In 221 AD, the Qin Dynasty destroyed six countries and established the first unified centralized dynasty. The Xiongnu and Donghu nationalities were in the north, but they had not yet contacted the western regions.

5. Western Han Dynasty (202 BC-8 AD) The Han Dynasty is now Xinjiang. The forces of the Western Han Dynasty entered the Korean Peninsula and incorporated half of its territory into China.

6. In the Eastern Han Dynasty (25-220), the war between the Han Dynasty and the northern Xiongnu continued, and after that, the Xiongnu split internally, and Xianbei took advantage of it to occupy all parts of Xiongnu.

7. The Three Kingdoms (220-265) In 220 AD, Cao Pi called Wei Di, in 221 Liu Bei called Han Di, and in 222, Sun Quan established the year number, which became the trend of the three kingdoms. The combined area of these three countries is the area of the Han Dynasty, of which Wei is the most powerful.

8. The Western Jin Dynasty (A.D. 266-A.D. 316) wiped out Wu in the West, ending the tripartite confrontation between the three countries.

9. Eastern Jin Dynasty (317-420)

10. The Sui Dynasty (581-618 or 619) ended the division for more than 400 years and reunified the whole country.

11. The territory of the pre-Tang Dynasty (618-907) shows that the Tang Dynasty was powerful at that time, and the development of the western and northern territories has surpassed any dynasty. In the late Tang Dynasty, the territory shrank greatly, and Tufan reached its peak, which was a great threat to the Tang Dynasty.

12. Five Dynasties and Ten States (907-979)

13. Northern Song Dynasty (960-1127) Among the major dynasties in China, the Song Dynasty was the smallest.

14. Southern Song Dynasty (1127-1276) During the Southern Song Dynasty, Mongolia rose, and soon it will wipe out the Asian powers and establish an unprecedented Mongolian empire. The dynasty established by Temujin can be said to be endless, and the iron hoof of the Yuan army has almost traveled all over Asia, and human beings have been unable to stop the pace of the Yuan Dynasty. The four Han dynasties in the picture all obeyed the emperor of the Yuan Dynasty and were under the control of the central government.