Goguryeo–Sui War
A series of conflicts between China’s Sui dynasty and the Korean kingdom of Goguryeo from 598 to 614, marked by failed Sui invasions.
Battle of Salsu: A 612 battle in which Goguryeo forces under Eulji Mundeok defeated a retreating Sui army at the Salsu River. Goguryeo’s victory at Salsu turned a major Sui invasion into a catastrophic retreat.
Sui dynasty: A Chinese imperial dynasty that reunified China and ruled from 581 to 618. Its reunification gave the court resources and ambitions for campaigns against Goguryeo.
Fall of the Sui dynasty: The collapse of Sui rule in 618 amid rebellion, political fracture, and military failure. The costly Goguryeo campaigns aggravated the pressures undermining Sui authority.
Goguryeo–Tang War: A series of conflicts between Tang China and Goguryeo, especially from 645 to 668. Tang campaigns followed the Sui wars but involved a different dynasty and eventual conquest.
Eulji Mundeok: A Goguryeo general celebrated for defeating Sui forces during the 612 campaign. His leadership helped exploit Sui supply strain and the army’s exposed retreat.
Emperor Wen of Sui: The founding emperor of the Sui dynasty, who ruled from 581 to 604. He launched the first major Sui expedition against Goguryeo in 598.
Tang dynasty: A Chinese dynasty that ruled from 618 to 907 after the collapse of the Sui. The Tang inherited the Sui’s unfinished conflict with Goguryeo and later renewed the campaigns.
Goguryeo–Sui War of 598: The first major Sui expedition against Goguryeo, launched in 598 and ended by weather, disease, and withdrawal. This initial campaign preceded the larger invasions under Emperor Yang.
Liaodong Peninsula: A peninsula in northeastern China extending between the Yellow Sea and the Bohai Sea. Sui armies crossed Liaodong to reach Goguryeo’s western frontier and fortified centers.
Emperor Yang of Sui: The second Sui emperor, who ruled from 604 to 618 and pursued large-scale military campaigns. He ordered the immense invasions of Goguryeo in 612, 613, and 614.