In the process of establishing kingship, Yu continued to conquer the three temples. He commanded many vassals and claimed to follow the destiny, which showed that he had mastered the supreme kingship and achieved the status of "Xia Hou". After fierce fighting, Sanmiao was defeated. This was a large-scale military conquest. Through these expeditions, Yu Xia's kingship was constantly strengthened. ?

After Yu established the kingship, Yangcheng (Gaocheng Town, Dengfeng County, Henan Province) was established as the capital in Yangshan, where the Chong tribe was located. Later, he moved to Yangzhai (Yuxian County, Henan Province).

In order to consolidate the kingship, he went south along the river and met with the leaders of Xia, Yi and other countries and tribes in Tushan (Huaiyuan County, the western suburb of Bengbu, Anhui Province), that is, the "Meeting of Tushan".

At this time, most of the original tribal leaders have been transformed into hereditary nobles, and they have become princes of various countries respectively. This congress is an important symbol of the formal establishment of the Xia Dynasty.

2. Battle of the Giant Deer

The Battle of Julu was a major decisive battle in Julu (now Pingxiang, Hebei Province). Xiang Yu led tens of thousands of Chu troops (later warlords and rebels from all walks of life also participated in the war) and led 400,000 troops together with Zhang Han and Wang Li, famous generals of Qin State, which was also one of the most famous battles in China history.

Xiang Yu burned his bridges, took the lead in conquering Qin Jun with dauntless spirit when the armies of the vassal states were bogged down, and drove the armies of the vassal states to destroy the king and leave the army at last, and forced 200,000 Zhang Han and Qin Jun to surrender eight months later. Since then, Xiang Yu has established a leading position in various rebel armies. After World War I, the main force of the Qin Dynasty was lost, and it existed in name only.

3. Zhang Qian is connected with the western regions.

Zhang Qian's mission to the western regions, also known as Zhang Qian's mission to the western regions, refers to a historical event in which Zhang Qian hoped to unite the Vietnamese to crusade against the Huns and send Zhang Qian to the western regions.

In the first year of Jianyuan (BC 140), Liu Che, Emperor Wu of the Han Dynasty, ascended the throne, and Zhang Qian served as a Langguan in the palace. In the third year of Jianyuan (BC 138), Emperor Wu of the Han Dynasty recruited envoys to send envoys to the Yue family, hoping to unite the Yue family to attack the Huns. Zhang Qian recruited them as messengers, set out from Chang 'an, was captured by Xiongnu, was trapped for ten years, and then ran away.

I went west to Dawan, passed Kangju, arrived at Dayue's home, and then went to Daxia, and stayed for more than a year before coming back. On his way home, Zhang Qian changed from South Road to Nanshan in an attempt to avoid being discovered by Xiongnu, but he got it from Xiongnu and was detained for more than a year.

In the third year of Yuanshuo (BC 126), the Huns were in civil strife, and Zhang Qian took the opportunity to escape to the Han Dynasty, and reported the situation of the western regions in detail to Emperor Wu of the Han Dynasty, who named him a doctor too much. Because of Zhang Qian's prestige in the Western Regions, the envoys of the Han Dynasty later called him Bo Wanghou to win the trust of other countries.

Zhang Qian's mission to the Western Regions was originally intended to carry out the strategic intention of Emperor Wu of the Han Dynasty to unite with Da Yueshi to fight against the Huns. However, after he went to the Western Regions, the cultural exchanges between Han and Yi were frequent, and the civilization of the Central Plains spread rapidly around through the "Silk Road".

Therefore, Zhang Qian's mission to the Western Regions has special historical significance. Zhang Qian has made outstanding contributions to the opening of the Silk Road from China to the Western Regions, which is praised by the world.

4. The Yellow Scarf Uprising

The Yellow Scarf Uprising was a peasant war at the end of the Eastern Han Dynasty and one of the largest religious uprisings in the history of China. It began in the seventh year of Han Dynasty (AD 184). At that time, the imperial court was corrupt, eunuchs and consorts were constantly fighting, border wars were constantly going on, the national situation was weakening day by day, and tax revenue was not reduced because of the national drought.

Desperate poor peasants, under the command of Zhang Jiao, a giant deer man, rose up in succession. Wearing yellow turbans on their heads, they shouted the slogan "Heaven will die, heaven will stand, and the world will be fine at the age of 60", and launched a fierce attack on bureaucratic landlords, which had a great impact on the rule of the Eastern Han Dynasty court.

In order to quell the rebellion, all localities have paid tribute to their soldiers. Although the uprising ended in failure, the situation of warlordism and the survival of the Eastern Han Dynasty was irreversible, which eventually led to the formation of the tripartite confrontation between the three countries.

5. The change of Jingkang

The change of Jingkang refers to a historical event that happened in the second year of Jingkang (the fifth year of Jintianhui, 1 127). At that time, the Jin Dynasty invaded Tokyo, the capital of the Northern Song Dynasty, and took away Huidi and Qindi, which led to the demise of the Northern Song Dynasty. Also known as Jingkang Rebellion, Jingkang Disaster and Jingkang Disaster.

In the seventh year of Xuanhe in the Northern Song Dynasty (the third year of Jintianhui, 1 125), the Jin army attacked the Song Dynasty from both east and west. On the East Road, Gan led the troops, but he did not lead the troops to attack Yanjing. West Road starts from the Korean War and goes straight to Taiyuan. Jinbing East Road broke Yanjing, crossed the Yellow River and went south to Bianjing (now Kaifeng, Henan).

Song Huizong saw the danger, but Zen was located in Prince Zhao Huan, Song Qinzong. In the first month of the first year of Jingkang (the fourth year of Jintianhui, 1 126), Wan Yanhuan led the Jinbing East Road Army to Bianjingmen, forcing Song Yihe to retreat. The Jin people demanded five million and two thousand gold and five thousand and two hundred silver coins, and ceded Zhongshan, Hejian and Taiyuan.

In August of the same year, 8 jin j attacked Song in two ways; Leap in November, Jin Lianglu army stationed to conquer Bianjing. Song Qinzong personally went to the camp of Jin people to make peace, and was detained by Jin people.

In addition, there are a large number of more than 3000 people, including Zhao's royal family, harem concubines, Guiqing, courtiers and so on. Going north to Guo Xu and Tokyo, public and private savings have been exhausted. The change of Jingkang led to the demise of the Northern Song Dynasty.

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