Li Shimin joined the army as a teenager and went to Yanmenguan to rescue Yang Di. After the establishment of the Tang Dynasty, the official residences of Shang Shuling and Wu Youhou were named Qin Gong, and later the King of Qin. He led his troops to pacify Xue, Liu Wuzhou, Dou Jiande and Wang, and made great contributions to the establishment and unification of the Tang Dynasty.
On the fourth day of June in the ninth year of Wude (July 2, 626), Li Shimin launched the "Xuanwumen Rebellion", killing his eldest brother, Prince Li, and his fourth brother, King Li Yuanji of Qi, and his son, and was made a prince. Soon, Tang Gaozu Tang Gaozu abdicated, Li Shimin acceded to the throne, and changed his chastity.
Extended data:
Political measures during the reign of Li Shimin;
1, appointing talents
Shortly after Li Shimin ascended the throne, a new library was built according to the model of Qin Literature Museum, which further reserved world literary talents. Li Shimin knows how to perform people's duties well and employs people according to their abilities, regardless of their origins. Fang Lingxuan and Du Ruhui were used in the early stage, and Sun Chang Wuji, Yang Shidao and Chu Suiliang were used in the later stage. They were all honest people. Others, such as Li Ji and Jing Li, are also famous for their generation.
2. Improve the system
During the reign of Li Shimin, the Sui system became more perfect. For example, the central court continued the system of six departments in three provinces and set up a special government office to facilitate the collegial discussion of politics and contain the three provinces; Locally, it follows the Sui Dynasty county-level system, and the whole country is divided into ten prison areas (roads).
3. Give advice.
Li Shimin regarded Yang Di's refusal to remonstrate with national subjugation as a warning. After he acceded to the throne, he tried his best to speak. He expanded the power of admonishing officials and encouraged ministers to criticize his decision-making and style. Among them, Wei Jin remonstrated more than 200 times and told the court about Chen's fault, which made him embarrassed many times in the early years and unable to step down.
4. Heqing Haiyan
During the Zhenguan period, under the governance of Li Shimin, the society did not close at night. In the fourth year of Zhenguan (630), only 29 prisoners were sentenced to death. In the sixth year of Zhenguan (632), the number of death row inmates increased to 290. At the end of this year, Li Shimin allowed them to go home and deal with their own affairs. In the seventh year of Zhenguan (633), he died in autumn (ancient autumn punishment).
5. Economy
Economically, Li Shimin implements the system of land equalization and rent adjustment, which makes it possible for farmers to stabilize production, and farming sometimes promotes economic development. Attach importance to agriculture and reduce farmers' tax labor. "abstain from luxury and be simple" and control your own hedonism; Getting rid of the disadvantages of "fewer people and more officials" is conducive to reducing the burden on the people.
Baidu Encyclopedia-Li Shimin