Cheoljong
Twenty-fifth king of Joseon, raised on Ganghwa and placed on the throne by the Andong Kim clan; after the 1862 uprisings he set up an office to reform the three taxes
A grandson of Prince Euneon, Jeongjo's half-brother. In 1851 restrictions on secondary sons holding office were largely lifted. In 1860 Choe Je-u founded Donghak. When the Imsul peasant uprisings that began at Jinju in 1862 spread across the three southern provinces, he set up the Office for Rectifying the Three Revenue Systems on Park Gyu-su's advice, but soon abolished it.


