KnowraEulji MundeokEulji MundeokEulji Mundeok was a Goguryeo general remembered for defeating a much larger Sui army at the Battle of Salsu in 612.BriefConnectBattle of Salsu: A 612 battle in which Goguryeo forces routed a Sui army during its invasion of the Korean kingdom. This victory made Eulji Mundeok a lasting figure in Korean military history.Scorched-earth strategy: A military strategy that destroys or removes resources an advancing enemy could use. Goguryeo resistance and resource denial helped wear down the invading Sui army.Goguryeo: An ancient Korean kingdom that existed from 37 BCE to 668 CE across parts of the Korean Peninsula and Manchuria. Eulji served this kingdom during its wars against Sui China.Korean military history: The history of warfare, armed forces, and military institutions on the Korean Peninsula. Eulji’s victory remains one of its most celebrated early episodes.Sui invasion of Goguryeo: A series of Sui campaigns against Goguryeo in the early seventh century, culminating in the failed invasion of 612. Eulji’s Salsu victory came during the largest of these invasions.Strategic retreat: An organized withdrawal intended to preserve forces or draw an enemy into a disadvantageous position. Sui forces advanced deep into Goguryeo while defenders prolonged their supply and pursuit problems.Emperor Yang of Sui: The second emperor of the Sui dynasty, whose reign included major campaigns against Goguryeo. His decision to invade in 612 set the campaign Eulji opposed in motion.Korean nationalism: A political and cultural movement centered on Korean identity, unity, and self-determination. Modern national memory has often presented Eulji as a symbol of resistance to outside power.Battle of Liao River: A battle during the Sui invasion of Goguryeo in 612, fought as Sui forces advanced toward Goguryeo’s capital. It formed part of the campaign that preceded the Salsu retreat.Salsu River: A river associated with the 612 Battle of Salsu, traditionally identified with the Cheongcheon River in North Korea. The river crossing became the setting for the decisive Goguryeo attack.Show all 20Linked from 2 pagesShow all 2