Process of Jurchen tribal unification

Timeline

1. 1107–1109Achu City · HeilongjiangAfter succeeding his brother Wugunai as head of the Wanyan tribe, Wanyan Aguda used Achu as his political center, annexing neighboring Jurchen tribes through marriage alliances, councils, and campaigns, expanding the alliance's scale and military strength.
2. 1109–1110Confluence of the Heilongjiang and Songhua rivers · Northeast ChinaThe unified Jurchen alliance reorganized its meng'an-mouke military structure, accumulated grain and weapons, and secretly contacted tribes unwilling to submit to Liao. By around 1110, the alliance possessed the foundation to break from Liao's loose control and establish an independent state.