Ganhua () with admonishment on lest the garrison to revolt again. After the Yellow River began to change course during the Song dynasty, heavy silting at the Yellow River estuary forced the river to channel its flow into the lower Huai River tributary. The area became barren thereafter due to persistent flooding, nutrient depletion and salination of the once fertile soil. In the first month of 1129, Nijuhun took the city after a siege of 27 days, and the then governor Wang Fu () was executed for refusing to submit. Wang's inferior Zhao Li () rallied the remains and constructed a local militia. They recaptured the city two months later but withdrew from there strategically soon. Henceforth, Xuzhou was ruled by Jurchen over a century. In 1232, the general Wang You (), Feng Xian () revolted, they expelled the Jurchen's governor Tuktan. Then the Mongolian army led by Anyong (), a Han Chinese general captured Xuzhou soon. Both the general of the state of Su () Liu Anguo () and the general of Pizhou Du Zheng () yielded their owned city to Anyong. Regarding Anyong's behave as grabbing reputation, the Mongolian general Asuru () irritated and persisted to kill him. Felt panic, Anyong sought refuge from Jurchen. The Jin Dynasty resumed its ruling in Xuzhou, and it was quite transient. The serious disunity made betraying recur. In November 1233, the garrison of Xuzhou welcomed the Mongolian. Meantime, Anyong pledged loyalty to the Song Dynasty. He captured the city again after the Mongolian army left. In the spring of the next year, the Mongolian commander Zhang Rong () attacked Xuzhou, Anyong drowned himself after the final defeat. The Mongolian governor of Xuzhou and Pizhou called Li Gaoge () surrendered to the Song in 1262. Then he failed and was killed after several days. A rebellion against Yuan rose by Li Er () who was nicknamed Sesame Li in the area around Xuzhou. In the eighth month of 1351, they took the city. Toghon Temür gave an edict that they would be granted amnesty if they surrendered to the authority, in the spring of the next year. The rebels ignored that, so he agreed that Toqto to suppress the unrest. The city fell in the autumn, and the multitudes were killed by Toqto's army afterwards. It may be the symbolically most important victory for Toqto. Thus, Xuzhou was renamed Wu'an (; literal