Today, 305 years ago, on December 17, 1720 (November 18, 1720), the Emperor Khongxi sent troops into Tibet. On December 17, 1720, the Emperor Khongxi sent troops into Tibet. Tibet has been the territory of China since ancient times, but has repeatedly been subjected to foreign armed aggression in history, threatening local people's lives and normal religious activities and exchanges with the mainland. During the years of Qingdao Khongxi, the Emperor Khongxi sent troops to Tibet several times but failed. On December 17, 1720, the Emperor Khongxi sent troops to escort the Sixth Dalai Lama into Tibet, under the auspices of the people of Qingdao, Qingdao, and Qingdao, and fought along the way with the