Yelü Longxu

Timeline

1. 1001–1009Supreme Capital, Linhuang Prefecture · Bairin Left BannerFrom the nineteenth to the twenty-seventh year of Tonghe, Shengzong nominally held court while military and state affairs were still decided by Empress Dowager Xiao Chuo, assisted by chancellors such as Han Derang. In 1004 he accompanied his mother south against Song and concluded the Chanyuan Treaty at Chanzhou; in 1006 he led officials in bestowing an honorific title on the empress dowager. During this period Liao continued its reforms and administrative rectification, maintaining national power at its height.
2. 1009–1010Yalu River–Gaegyeong line · Korean PeninsulaIn November 1009 Xiao Chuo performed the firewood-register ceremony and returned power, after which Shengzong fully took over rule; the following year, in response to the Kang Jo coup in Goguryeo and Wang Hun's usurpation, he ordered the provinces to prepare arms for an eastern campaign. In August he personally led the expedition with Xiao Paiya as commander-in-chief, crossed the Yalu River and took Tong, Huo and other provinces in succession, forcing Wang Hun to sue for plunder, then withdrew after burning and looting the capital Gaegyeong.