Takenori nine years , in AD 626 , only 29-year-old Li Shimin Xuanwu Gate Incident , on board the Tang Zhaodi bit era name " Golden Years " , known as the Emperor . He ascended the throne , Jie Lee , head of the powerful northern steppe national command of two hundred thousand cavalry gates of the city of Chang'an , the Tang Jiangshan suddenly precarious . The ... Li Shimin the situation and decided to flexion and extension, by retreating , then bite the bullet , signed with the rival Chengxiazhimeng to enhance their capabilities for the court to win precious time waiting for an opportunity to counterattack . After several years of hardships , Li Bing is not the horse , and ultimately defeated a strong opponent Jie Lee , wiped out before the shame , Datang dominate . After the victory of war , and Shimin strike while the iron is hot , vigorously promote the "Yi Han a " policy of national reconciliation to ease long-standing ethnic conflicts , and create a new chapter of the Chinese nation integration , the national grasslands and his Appointed jointly enshrined Li Shimin as " days Khan " . ....... National Cheng-Ping Yu , Li Shimin death as a warning to the Sui , the implementation of enlightened statecraft and chose the the Fumin static " ," Yanwuxiuwen " road of peaceful development , unswervingly governance focus on the development of Nongsang , stability and people's livelihood above the provincial officials and staff , got rid of corruption, to take advice with an open mind , a sound legal system ; pull pull talent , prosperity and culture ; created " Daobushiyi, all night, close the doors " of the good society , new the Tang dynasty embarked on a rapid development path , Datang therefore become a quad congratulation , directions to the DPRK the prosperity of the country . The famous " Golden Years of " has since been recorded in the history of the Chinese nation , every Chinese heart forever honor and pride !