How many years did Qin exist?

The Qin dynasty (22 BC1-207) was the first unified dynasty in China's history, which was developed by the Qin state in the Warring States period and lasted 14 years.

The royal family of the Qin Dynasty was called Won Qin, so the history books were also called Won Qin. The Qin Dynasty originated from Qin State, a vassal state of Zhou Dynasty. In 905 BC, Zhou, who was good at raising horses, was appreciated by Zhou, and was named King of Qin, became the monarch of Qin State, and established Qin State. Known as Qin Yan.

770 years ago, Qin Xianggong made great contributions when Zhou Pingwang moved eastward in the Eastern Zhou Dynasty. He was sealed in the Guanzhong Plain and became a vassal. During the Warring States Period, according to the Book of Rites, Qin promoted the unification of cars, books, words and deeds, and implemented Shang Yang's reform in politics, military affairs, economy and transportation, becoming the world's first power.

From 230 years ago to 22 1 years ago, Ying Zheng, king of Qin, conquered the other six vassal states and unified the Central Plains, which was called Qin Dynasty in history.

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After the establishment of the Qin Dynasty, Wang Zheng called himself "the first emperor" (namely Qin Shihuang). From then on, China had the title of emperor, and initiated a series of reforms to consolidate the empire. Then a hundred Vietnamese expeditions, Xiongnu Northern Expedition, and the territory was almost equal to that of China. The territory starts from Liaodong in the east, Lintao in the west, the Great Wall in the north and Xiang Jun (now northern Vietnam) in the south.

Although the appearance of the Qin Dynasty was very strong, due to the centralization, excessive development and severe slavery of the people by Qin Shihuang, the rule of the Qin Dynasty was inevitably characterized by harshness and tyranny, which made people all over the world suffer from tyranny and want to defect. After Qin Ershi succeeded to the throne, Qin Ting fell into chaos under the control of the ruling Zhao Gao.

At this time, the uprising broke out at the end of Qin dynasty, and the six elite soldiers revived the country. Although Zhang Han, the general of Qin, tried to calm the chaos, the king of Qin was defeated by Xiang Yu, the general of Chu, and Qin Jun surrendered. In 2007 10, Wang Ziying, the new Qin Dynasty, surrendered to Liu Bang in Xianyang. Later, Xiang Yu led his troops to Guanzhong, killed Zi Ying, king of Qin, and burned Xianyang Palace. Three years after the death of Qin Shihuang, the Qin Dynasty perished.

Later, the period from the Western Han Dynasty to national reunification was called the Qin and Han Dynasties, also known as the Western Chu Dynasty. Xiang Yu, the overlord of the western Chu Dynasty, rebuilt the feudal system and enfeoffed eighteen princes. However, Xiang Yu's enfeoffment was unfair, and Liu Bang, Tian Rong and other governors subsequently rebelled and turned into the Chu-Han War. In the first 202 years, Hanwang Liu Bang defeated Xiang Yu and was acclaimed as the emperor by the governors, which opened the Han Dynasty.

Baidu Encyclopedia-Qin Dynasty