Silla Bone Rank System Crisis (9th century)

Name: Silla Bone Rank System Crisis (9th century)
Start: 801
End: 900

Type Event Region Korean Peninsula Time 801–900

In 9th-century Unified Silla, the bone rank system centered on True Bones and Six-Head Ranks grew rigid;…

Timeline

810–850Gyeongju · North Gyeongsang ProvinceTrue Bone nobles long monopolized key central posts and marriage networks; officials below the Six-Head Rank had narrow promotion channels. Historical biographies and epitaphs show that even those of non-bone-rank origin with military merit struggled to enter the central government, as the system lost its flexibility.
850–892Various local provinces of the Korean Peninsula · Korean PeninsulaLocal military commanders, powerful clans, and low-ranking officials, blocked in taxes, corvée, land, and official careers, turned toward independence. The bone-rank order could not absorb new forces, providing a social basis for local strongmen such as Gyeon Hwon to break away from the central government.

三国史记 — 金富轼等 (1145)
Korea: Tradition & Transformation — A History of the Korean People — Andrew C. Nahm (1996)