The Manchus were finally able to cross the Great Wall in 1644, when the gates at Shanhaiguan were opened by Wu Sangui, a Ming border general who disliked the activities of rulers of the Shun Dynasty.

• 满人最后越过长城是在1644年，当时吴三桂打开了山海关城门，他是明朝边境的将领，他不满意宋朝的统治。