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Yao Jin surrounded by servants, by an unknown Tao dynasty artist
|King of Yao|
|Reign||7 November 281 – 14 July 286|
|Successor||Himself (as Castellan of Yao)|
|Castellan of Yao (城使要) |
(under the Xiang Empire)
|Reign||14 July 286 – 20 December 311|
Tangqiu County, Shilou State, Fang Dynasty
|Died||December 20, 311 (aged 50–51)|
Lunkeng, Langang Province, Xiang Empire
Yao Jin (c. 255 – 20 December 311), courtesy name Yanqing, was the first and last king of the state of Yao, in modern-day Jindao, before it was annexed by the Xiang Empire of Xiaodong and his title subsequently changed to Lord of Yao. His reign as an independent monarch lasted from November 7, 281 to July 14, 286, when the Yuhan Palace Treaty was signed. He was the only son of a rice farmer living near modern-day Tsintsi, but joined a military academy and moved away from home at a young age. He led the army mutiny and revolt against King Fang Liang of the Fang Kingdom, defeating him at the Battle of Zhengbu in 280, and subsequently consolidated his power across the island across the next year.
On November 5, 281, Yao Jin forced Fang Liang, who had been ruling as a vassal monarch of Yao Jin anyway, to abdicate in his favour. Thus on November 7, Yao Jin proclaimed himself as Emperor of Yao, and unified his realms and holdings across the island. His reign would be uneventful, however, but oversaw some consolidated urban development in the main city of Jindao, as well as the creation of the docks in Jindao, which allowed some trade to flow between Jindao and the mainland. However in 286 AD, the Xiang emperor ordered a full invasion of Jindao to incorporate it into the Xiang realm. With Yao Jin facing almost certain defeat, and the Xiang emperor facing a costly battle, Yao Jin presented the latter with the Yuhan Palace Treaty, offering to surrender Jindao in exchange for autonomy on the island. The treaty was signed and ratified on July 14, 286, after which Yao Jin took the title of Lord of Yao, where he reigned until his death in 311.