[History Lives On – Buyeo & Samhan Series] Episode 9: The Twelve States of Jinhan and the Small Kingdom of Saro in the Gyeongju Basin

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By 코리안투데이 경기하남

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THE KOREAN TODAY

History Lives On

The Buyeo & Samhan Chronicle

Episode 9: The Twelve States of Jinhan and the Small Kingdom of Saro

Even the world’s largest corporations began as a single room in a garage.

In the 1st century BCE, in what is now the Gyeongju basin, the seed of a kingdom that would one day dominate a corner of East Asia for nearly seven centuries was quietly being planted. Yet at the time, it did not even bear the name “Silla.” It was merely one of twelve small states scattered east of the Nakdong River, known as Saroguk (斯盧國).

In Episode 8, we explored the 54 states of Mahan and their overlord, King Jin (辰王) of Mokjiguk. So what was happening across the river, in the land of Jinhan? And why did this modest little state, of all the twelve, eventually become the protagonist of Korea’s unification of the Three Kingdoms?

🌍 Western Historical Parallel

While six small villages on the Korean peninsula were still debating who among them deserved to be king, Julius Caesar had already crossed the Rubicon, and by 27 BCE Augustus stood as Rome’s first emperor over a unified Mediterranean empire. Saroguk’s story is a reminder that political consolidation moved at very different speeds across the ancient world.

◆ The Ancient Landscape

Jinhan (辰韓) was a confederation of twelve small states occupying the region east of the Nakdong River, roughly today’s Daegu and Gyeongju area. The Records of the Three Kingdoms (Sanguozhi), Book of Wei, “Accounts of the Eastern Barbarians,” gives two intertwined origin stories. One holds that refugees fleeing the brutal forced labor of the Qin dynasty (221-206 BCE) crossed the sea and settled in the Han territories, and that Mahan ceded eastern land to them – a tale that plays on the phonetic resemblance between “Jinhan” and “Qin.”

The Samguk Sagi’s Silla Annals, on the other hand, traces Saroguk’s roots to a more recent and specific event: after Wiman Joseon fell to the Han dynasty in 108 BCE, scattered Gojoseon refugees filtered into mountain valleys and formed six villages, which later became the foundation of Saroguk’s “Six Districts” (yukbu). Modern scholarship tends to see these not as competing accounts but as layered waves of northern migration recorded from different angles – meaning Saroguk was never a single-origin state, but a long-simmering blend of indigenous and migrant communities.

“The elders of Jinhan have long passed down the tradition that people fleeing the forced labor of Qin came across to the land of Han, and Mahan divided its eastern territory and gave it to them.”

– Source: Records of the Three Kingdoms (Sanguozhi), Book of Wei, Vol. 30, Account of Han

◆ Same Era, Different Worlds

🏛️ China

Emperor Wu of Han destroyed Wiman Joseon in 108 BCE and installed the Four Commanderies, a shock that accelerated state-formation across southern Korea. The period overlaps with the chaotic transition from Western Han to Wang Mang’s short-lived Xin dynasty (9-23 CE).

🗿 Roman World

As Saroguk’s six villages took their first political steps, Rome moved from Caesar’s civil wars to the founding of the Empire under Augustus in 27 BCE – a striking contrast in the pace of consolidation.

⚔️ South Asia

The Mauryan Empire had already collapsed and given way to the smaller Shunga dynasty – another region cycling through fragmentation, much like the Korean peninsula’s patchwork of statelets.

🌏 Japan

The Japanese archipelago was still in its Yayoi period, divided among dozens of small chiefdoms – a mirror image of Jinhan’s own fragmented political map.

The Twelve States of Jinhan, East of the Nakdong River Nakdong River ◀ Mahan (west) Byeonhan (south) ▶ Geungi Nanmirimidong Yeomhae Gunmi Horo Juseon Bulsa Uyu Gijeo Yeodam 斯 Saroguk (Gyeongju Basin) – Confederation of Six Villages –

[Image: Distribution of Jinhan’s twelve states east of the Nakdong River and the location of Saroguk, c. 1st century BCE]

⚔️ Scene from That Day

“Atop Alcheon Hill, the chiefs of six villages gathered with their children. In an age with no king, they made a vow: they would look to heaven and find a man of virtue to rule them.”

“Then, by the well of Najeong, a white horse knelt and wept. When the villagers ran to it, the horse rose into the sky, leaving behind a single purple egg. From it emerged a boy – and at thirteen, the six villages raised him up as their Geoseogan.”

◆ Uncovering Historical Truth

According to the Samguk Yusa, in 69 BCE the chiefs of the six villages agreed at Alcheon Hill to install a king, and twelve years later, in 57 BCE, Park Hyeokgeose ascended as Geoseogan. But reading this as the “founding of Silla” would be a misreading. At this point Saroguk remained just one of Jinhan’s twelve states, and the Sanguozhi records that as late as the 3rd century CE, twelve of the twenty-four Jinhan and Byeonhan states still fell under the influence of King Jin of Mokjiguk in Mahan. Saroguk’s full political independence cannot be dated this early with confidence.

Archaeology confirms this slow, unglamorous growth. Excavations at the Joyang-dong site in Gyeongju, ongoing since 1979, have revealed wooden coffin tombs dated from the 1st century BCE to the early 2nd century CE – comparable in spirit to Anglo-Saxon burial mounds like Sutton Hoo, though earlier and humbler. These graves, containing soft-fired gray pottery alongside iron weapons and farm tools, capture Saroguk quietly accumulating ironworking capacity during Korea’s proto-historic period. From the mid-2nd century, burial style shifts to wooden chamber tombs, a change scholars read as evidence of sharpening internal hierarchy and concentrated wealth.

In other words, Saroguk’s rise was never a single hero’s founding proclamation. It was a centuries-long process in which a confederation of six villages, operating in the shadow of Mokjiguk’s King Jin, gradually seized control of ironworking and trade networks along the Nakdong River and absorbed its eleven Jinhan neighbors one by one.

Period

1st century BCE – 2nd century CE

Key Figure

Park Hyeokgeose, chiefs of the Six Villages

Key Event

Six villages unite into Saroguk

Long-term Outcome

Foundation for the rise of Silla

🔍 International Academic Perspectives

Korean/East Asian Scholars

Most argue the fall of Wiman Joseon in 108 BCE was the decisive trigger for Jinhan’s formation, with Saroguk emerging as a fusion of indigenous and migrant groups that slowly rose to lead Jinhan through the shift from wooden coffin to wooden chamber tombs.

Alternative Reading

Some take the Sanguozhi’s “Qin refugee” tradition literally, arguing the name “Jinhan” itself testifies to that origin. A middle-ground view, treating both traditions as complementary layers rather than rivals, has gained ground in recent scholarship.

📖 Key Terms Explained

Saroguk (斯盧國)
One of the twelve states of Jinhan, based in the Gyeongju basin, which eventually grew into the kingdom of Silla
King Jin (辰王) of Mokjiguk
The nominal overlord of the Mahan confederation, whose influence reportedly extended over part of Jinhan and Byeonhan as well
Geoseogan (居西干)
An early Silla royal title, used before “wang” (king) became standard

◆ Lessons for Today’s World

Open the corporate history of any global giant today and the first chapter is invariably humble – a garage, a handful of employees, no recognizable name yet. Saroguk was no different. In the 1st century BCE it was merely one of Jinhan’s twelve states, possibly even living in the shadow of Mahan’s King Jin, an unremarkable statelet among many east of the Nakdong River.

Yet six villages chose confederation over rivalry, absorbed the new technology of ironworking, and steadily widened their trade networks. Those accumulated choices, over centuries, produced the eventual architect of Korea’s unification. Saroguk is quiet testimony that today’s small organizations and modest beginnings need not stay small forever.

Aspect Saroguk Era Modern Parallel
Organization Loose confederation of six villages A regional startup cluster
Competitive position One of twelve states, under Mokjiguk’s shadow A newcomer among dominant platform giants
Growth engine Ironworking technology and expanding trade Technological innovation and market networks

A Small Seed, A Future Giant 57 BCE Saroguk’s Six Villages Jinhan unified Silla founded Today Global organizations

[Image: From a small confederation of villages in the Gyeongju basin to today’s global organizations – a metaphor of growth]

📚 Diving Deeper

  • The Joyang-dong and Hwangseong-dong sites in Gyeongju – the archaeological evidence of Saroguk’s gradual social stratification, comparable in significance to Anglo-Saxon and Migration-Period burial finds in Europe
  • The Najeong well excavation – traditionally identified as the birthplace legend site of Park Hyeokgeose
  • Comparative reading of the Sanguozhi’s “Account of Han” and the Samguk Sagi’s Silla Annals on Saroguk’s early history

The Voice of Living History

History always hides, behind its grand events, countless obscure beginnings whose names are barely remembered. Saroguk stands as living proof of how far patience and solidarity between small communities can eventually travel.

“A small council of six villages became the opening line of a thousand-year kingdom.”

Previous Episode

Episode 8: The 54 States of Mahan and King Jin of Mokjiguk

Next Episode

Episode 10: The Twelve States of Byeonhan, Ruling the Sea with Iron

The Korean Today “History Lives On” Series
The Buyeo & Samhan Chronicle (13 Episodes)
Bridging Ancient East Asia and the Modern World

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This content is based on historical facts and presents balanced academic perspectives
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