There was chaos in the world at the end of Qin Dynasty. After Liu Bang overthrew the Qin Dynasty, he was named Hanwang. In 202 BC, after the victory of the Chu-Han dispute, he proclaimed himself emperor and established the Han Dynasty, with Chang 'an as his capital, which was called the Western Han Dynasty in history. Emperor Wen of Han and Emperor Jing of Han implemented the national policy of recuperation and created "cultural landscape governance".
After Emperor Wudi ascended the throne, he succeeded in "the prosperity of Hanwu". In the Han dynasty, the national strength reached its peak, which was called "filial piety and rejuvenation" in history. In 8 AD, at the end of the Western Han Dynasty, Wang Mang abolished the emperor and made Chang 'an his capital, which was called the New Dynasty in history and the Western Han Dynasty perished.
In AD 25, Liu Xiu proclaimed himself emperor and established the Eastern Han Dynasty, with Luoyang as its capital. After the unification of the world, the soldiers rested and the people raised, which was called "Guangxu Zhongxing" in history? ; Emperor Hanming followed the frivolous and thin fu, and created the "rule of Zhang Ming"; After Han and Emperor succeeded to the throne, they broke the northern Xiongnu, recovered the western regions and created the "Dragon of Eternal Yuan"? The national strength of the Eastern Han Dynasty reached its peak.
The Yellow Scarf Uprising broke out in A.D. 184, which quelled civil strife but led to local self-respect. After Dong Zhuo's rebellion, the Eastern Han Dynasty existed in name only. In 220 AD, Cao Pi usurped the Han Dynasty and the Eastern Han Dynasty perished. Later, Liu Bei established Shu Han to continue the Han Dynasty, and China entered the Three Kingdoms period.
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After the dispute between Chu and Han, Liu Bang officially proclaimed himself emperor. Because it was named Hanwang by Xiang Yu, it took "Han" as the country name, and later people called it the Han Dynasty.
Liu Bang, Emperor Gaozu of Han Dynasty, established the Western Han Dynasty, with Chang 'an as its capital, also known as the former Han Dynasty; Later historians did not recognize the legitimacy of the New Dynasty and the Xuanhan Dynasty, so they generally incorporated them into the history of the Han Dynasty. Liu Xiu, Emperor Guangwu of Han Dynasty, established the Eastern Han Dynasty, with Luoyang as its capital, also known as the later Han Dynasty, which is known as the Eastern Han Dynasty in history; The Western Han Dynasty and the Eastern Han Dynasty are collectively referred to as the Han Dynasty. During the Three Kingdoms period, Emperor Liu Bei of the Han Dynasty established Shu Han, calling himself Han Ji, also known as West Shu.
The Han Dynasty was the first golden age in the history of China's development, and it was during this period that the Han nationality got its name. Because of its high level of civilization, the Han nationality has always been in an advantageous position among the fraternal nationalities in China, which is the result of historical development and natural formation. Since the Han Dynasty, although the name of the dynasty has changed, the status of the Han nationality as the main ethnic group in China has never changed.
References:
Baidu Encyclopedia-Han Dynasty