Internal Strife in the Liao Dynasty

Timeline

1. 1116Supreme Capital, Linhuang Prefecture · Inner MongoliaEmperor Tianzuo grew suspicious of imperial clansmen and ministers, repeatedly launching great purges and executing clan generals such as Yelu Zhangnu; the court's morale disintegrated and its orders could not be unified.
2. 1116Liaodong and Songmo regions · ChinaStrongmen and tribes in Liaodong broke away one after another, and some Liao generals clung to their own forces or surrendered to Jin; the center could no longer effectively coordinate frontier defense, and facing the Jin advance each fought separately as the Liaodong line collapsed rapidly.