Gwanggaeto Stele (414): The Monument to Goguryeo's Great King

The Gwanggaeto Stele is a massive inscribed stone erected in AD 414 at Ji’an, in today’s Jilin province of China, by King Jangsu of the Korean kingdom of Goguryeo in memory of his father, King Gwanggaeto. Its text tells the founding legend of Goguryeo and lists the king’s military campaigns, making it the most important written monument of early Korean history. Since its rediscovery in the late 19th century it has also been at the centre of scholarly and national debates over the history of Korea, Japan and China.

Goguryeo and King Gwanggaeto

Goguryeo was one of the Three Kingdoms of ancient Korea, together with Baekje in the south-west and Silla in the south-east. It arose in the mountains of the middle Yalu River basin around the beginning of the Common Era and grew into a powerful state controlling much of Manchuria and the northern Korean Peninsula. Its capital in the 4th and early 5th centuries was Gungnae, on the site of modern Ji’an.

King Gwanggaeto, born in 374, came to the throne in 391 at about 17 and ruled until his death in 412. His full posthumous title on the stele can be translated roughly as “the king buried in Gukgangsang, broad expander of territory, bringer of peace and security”. He was the first Korean ruler known to have used his own reign title, Yeongnak, meaning “eternal rejoicing”.

Under Gwanggaeto, Goguryeo fought Baekje, the Later Yan state in Manchuria, the Khitan, Eastern Buyeo and Japanese forces, and extended its power over a large part of north-east Asia.

The monument

The stele was erected in 414, two years after the king’s death, near his tomb. It is a single block of volcanic stone (often described as tuff or andesite), roughly squared, about 6.39 metres high and up to about 2 metres wide, with an estimated weight of around 37 tonnes.

All four sides carry an inscription in Classical Chinese, the written language of the region’s elites, carved in large characters within ruled columns. The text originally contained about 1,800 characters; a number of them, often estimated at more than 100, are now damaged or illegible. The calligraphy is a distinctive form of clerical script.

Archaeologists generally link the stele with the nearby Taewangneung, a large stepped stone tomb, although some prefer the identification of another tomb, the so-called General’s Tomb (Janggun-chong), as Gwanggaeto’s burial place.

What the inscription says

The text falls into three parts. The first tells the founding myth of Goguryeo: Jumong, called Chumo in the inscription, son of the Heavenly Emperor and the daughter of the River Lord, came south from Buyeo, crossed a river on a bridge of turtles and fish, and founded his kingdom. It then traces the royal line down to Gwanggaeto.

The second and longest part records the king’s campaigns year by year. In 396 he attacked Baekje, capturing, according to the text, 58 walled towns and 700 villages and forcing the Baekje king to submit. In 400 he sent 50,000 troops to help Silla against Wa (Japanese) forces and pursued them south. Later entries describe the defeat of Wa raiders in the Daifang area in 404 and a campaign against Eastern Buyeo in 410.

The campaign entries are written to glorify the king, and they present each war as a just response to an enemy’s disloyalty or aggression. Historians therefore read them as royal propaganda as well as a record of events, checking them where possible against Chinese histories and the much later Korean chronicles.

The third part lists the 330 households assigned to guard and maintain the royal tombs and forbids their sale, giving a rare glimpse of Goguryeo’s social and administrative practice.

The setting at Ji’an

The stele stands on a plain beside the Yalu River, surrounded by the remains of Goguryeo’s second capital. Nearby are the walls of the lowland city of Gungnae, the mountain fortress of Hwando that sheltered the court in times of war, and thousands of tombs of the Goguryeo elite, from simple stone mounds to great stepped pyramids and painted chamber tombs.

King Jangsu, who raised the monument, continued his father’s expansion. After moving the capital to Pyongyang in 427 he pressed south, and in 475 his armies captured Baekje’s capital at Hanseong, near modern Seoul, and killed its king. The stele thus marks the peak of a dynasty about to become the dominant power on the peninsula.

Rediscovery and the text debate

After Goguryeo moved its capital to Pyongyang in 427 and later fell in 668, the stele was forgotten for centuries, overgrown in a region that Qing China closed to settlement. It was rediscovered around 1876–1880, when farmers and officials began clearing the land. Local workers burned off moss and made rubbings, sometimes filling the surface with lime plaster to produce clearer impressions.

In 1883 a Japanese army officer, Sakō Kageaki, obtained a rubbing and brought it to Japan, where it was studied by the army general staff. A brief passage concerning the sinmyo year, 391, was read in Japan as saying that the Wa crossed the sea and made Baekje and Silla their subjects. In the colonial era this reading was used to support claims of early Japanese rule in southern Korea.

In 1972 the Korean historian Lee Jin-hee (Yi Jin-hui) argued that Japanese army agents had altered characters by applying lime. Research since then, including study of early rubbings made before the lime coating, has led most specialists to reject deliberate falsification. The debate has shifted to grammar and interpretation: who is the subject of the key sentence, and whether the passage is propaganda magnifying Goguryeo’s enemies to glorify its king.

Key people

• King Gwanggaeto (374–412): 19th ruler of Goguryeo, honoured by the stele.
• King Jangsu (394–491): his son, who erected the stele and moved the capital to Pyongyang.
• Jumong (Chumo): legendary founder of Goguryeo, traditionally dated to 37 BC.
• Sakō Kageaki: Japanese officer who brought an early rubbing to Japan.

Legacy

The stele is a symbol of Goguryeo’s power and is widely regarded in Korea as a national treasure, even though it stands in China. Full-size replicas have been set up in South Korea, including one at the Independence Hall of Korea in Cheonan. In 2004 the Ji’an monuments, including the stele, were inscribed on the UNESCO World Heritage List as part of the Capital Cities and Tombs of the Ancient Koguryo Kingdom.

For historians, the inscription is invaluable because it is a contemporary 5th-century source, unlike the Samguk sagi of 1145, the oldest surviving Korean chronicle. It also sheds light on relations among the Korean kingdoms and the early Japanese state, whose rulers built monuments such as the Daisen Kofun. The rivalry it records ended with the Silla unification of Korea in the 7th century.

Timeline

• 374: Birth of Gwanggaeto.
• 391: Gwanggaeto becomes king of Goguryeo; the disputed sinmyo year passage refers to this year.
• 396: Campaign against Baekje.
• 400: Goguryeo sends 50,000 troops to aid Silla against the Wa.
• 404: Defeat of Wa forces in the Daifang region.
• 412: Death of King Gwanggaeto.
• 414: King Jangsu erects the stele at Gungnae.
• 427: Goguryeo moves its capital to Pyongyang.
• c. 1876–1880: The stele is rediscovered.
• 2004: Listed by UNESCO with other Goguryeo monuments.

Why it matters

The Gwanggaeto Stele is the oldest long historical text from Korea’s Three Kingdoms period and a rare eyewitness-era record of north-east Asia in the 4th and 5th centuries. Its story of conquest, and the arguments over how to read it, show how ancient inscriptions can shape modern national identities.