41st king of Silla, in whose reign Kim Heon-chang rebelled at Ungcheon-ju
He came to the throne after killing his nephew King Aejang with the help of his younger brother. His reign saw repeated crop failures and famine; in 822 Kim Heon-chang, governor of Ungcheon Province, rebelled and proclaimed a state called Jangan, but royal troops put the revolt down. In 825 the king also crushed a rising by Kim Heon-chang’s son Kim Beom-mun.
Kim Heon-chang, governor of Ungcheon-ju, rebelled over his father Kim Ju-won’s lost claim to the throne and proclaimed a state named Jangan with the era name Gyeongun.
Son of Kim Ju-won who, citing his father's lost claim to the throne, rebelled at Ungcheon-ju and proclaimed a state called Jangan
From Ungjin, Baekje’s second capital, to Ugeumchi — the town on the Geum River that became the heart of Chungcheong
From the Heungsu child of Durubong Cave to the Jikji — Silla’s secondary capital Seowon, where the oldest surviving metal-type book was printed
Mujinju, where Gyeon Hwon first rose — city of the 1929 student independence movement and the May 18 Democratic Uprising