In July of the eighteenth year of Zhenguan (644), Emperor Taizong ordered land and water to go hand in hand, taking Sean as the general manager of the March on Pyongyang Road, commanding 500 warships and 43,000 soldiers to March from Laizhou to Pyongyang. Li Shiqi was the chief officer of Liaodong Road, and Li Daozong and Zhang Shigui marched sixty thousand to Liaodong. In February of the following year, Emperor Taizong set out from Luoyang, used personal expedition and led the army to Liaodong City.
/kloc-in April, 2000, Li Shiji led the troops across the Liaohe River until Xuantucheng (Liaoyang North), and Li Daozong sent thousands of soldiers to the new town (Liaoyang North). On May 8, when Li Shiji went south to attack Liaodong City (Liaoyang City), Emperor Taizong had crossed the muddy area of 200 miles and arrived at the gates of Liaodong, and the soldiers under siege were encouraged. The officers and men fought day and night 10 days. On May 65, 438+07, Emperor Taizong selected elite soldiers to raise fire from the southwest corner of the city and burn the towers. The wind was strong and soon burned into the city. The warrior took advantage of the situation and boarded the city. Unable to resist, North Korean soldiers surrendered in succession. Liaodong City was finally captured by Tang Jun.
Emperor Taizong changed Liaodong City to Liaozhou. A few days later, Tang Jun attacked Baiyancheng (25 kilometers northeast of Liaoyang City), and Li Shiji led an army to storm from the southwest corner of the city. Emperor Taizong bid at the city gate, and Qi Huangong Sun Daiyin was at a loss. Please surrender. Emperor Taizong changed Bai Yancheng to Yanzhou, commonly known as Yanzhou City, and Sun Daiyin was appointed as the secretariat. Reward officers and soldiers and comfort the people.
Then, Tang Jun attacked Anshicheng (Yingchengzi, south of Haicheng 15) and moved to Liaozhou. Emperor Taizong returned to Luoyang. This year, Emperor Taizong crusaded to the east, except Liaodong City and Bai Yan City, and captured Gaimou (Gaizhou), British Columbia (Jinzhou) and other 10 cities.
In the first year of Tang Gaozong (668), Tang Jun conquered Pyongyang and Korea perished. In order to manage Liaodong, the Tang Dynasty set up Anton Duhu, in charge of 9 DuDu and 42 States. In the third year of Shangyuan (762), the capital of Anton was moved to the old town of Liaodong (Liaoyang).