Fall of Balhae and Goryeo's Succession Claims

Name: Fall of Balhae and Goryeo's Succession Claims
Start: 926
End: 930

Type Event Region Northeast Asia Time 926–930

In 926 the Khitans destroyed Balhae, ending a northeastern polity that had lasted over two hundred years.…

Timeline

926Shangjing Longquanfu · Northeast ChinaLiao emperor Taizu Yelü Abaoji personally campaigned against Balhae, breaching the capital Shangjing Longquanfu; the last Balhae king Dae Inseon surrendered, and Balhae fell. The Khitans established the Kingdom of Dongdan to control Balhae's former territory, reorganizing the political map of the Northeast.
926–930South of the Yalu River · Korean PeninsulaAfter Balhae's fall, the royal family, nobles, and many commoners crossed the Yalu River south to seek refuge with Goryeo. Goryeo received and settled the remnants with generous treatment, absorbing their human and cultural resources and strengthening its northern defenses and political appeal.
928–935Western Capital Pyongyang · Korean PeninsulaGoryeo advanced claims to restore Balhae's old borders in the name of 'descendants of the Balhae royal house,' maneuvering against Khitan power north of the Yalu River. This positioned Goryeo as heir to Balhae's political legacy, providing a legal basis for later unification of the peninsula and border conflicts with the Liao dynasty.