Surrender of Kucha After Prolonged Siege

Forces of Kucha capitulated after a 40-day siege led by Tang general Ashina She'er. This event marked a significant reinforcement of Tang authority in the northern Tarim Basin part of Xinjiang, reflecting the ambitions of the Tang dynasty to expand its influence across Central Asia. The seizure of Kucha was vital for the Tang to control key trade routes, facilitating interaction with the Silk Road.