Wonseong of Silla

Timeline

1. 780–785Geumseong (Gyeongju) · Gyeongju CityIn the final years of King Hyegong he joined forces with Kim Yang-sang to suppress Kim Ji-jeon's rebellion; after King Seondeok ascended the throne, Wonseong served as Sangdaedeung in the rank of Ilchan, holding real military and political power.
2. 785–786Geumseong (Gyeongju) · Gyeongju CityKing Seondeok died without an heir; the ministers first proposed installing the clansman Kim Ju-won, but heavy rains and flooding prevented Ju-won from reaching the capital, so the assembly acclaimed Kim Gyeongsin as king, becoming Wonseong and inaugurating a new royal line in the later period.
3. 787–792Geumseong (Gyeongju) · Gyeongju CityHe adjusted ancestral shrines and the five-temple system to elevate the status of his own lineage; in 788 he established the Three-Rank Reading Examination to select officials by classical interpretation, literary composition, and mathematics, and expanded the Bokgok dike to promote agriculture.
4. 793–798Geumseong (Gyeongju) · Gyeongju CityIn his later years he repeatedly changed the crown prince, finally designating his grandson Kim Jun-yong as successor; he died in 798, was buried at Gwallyeong, and was posthumously honored as Yeoljo, with descendants of the Wonseong line continuing the royal line for over a century.