Gyujanggak founded
On taking the throne, Jeongjo founded the Gyujanggak in the rear garden of Changdeokgung as a royal library and policy research institute.

Founded ostensibly to keep the writings and calligraphy of past kings, it became Jeongjo’s instrument for training scholars close to the throne and studying policy. He appointed men of secondary-son birth — Yi Deok-mu, Park Je-ga, Yu Deuk-gong and Seo I-su — as editors, and ran a programme for re-educating promising young officials (chogye munsin).
In 1782 an outer branch on Ganghwa was set up to keep royal protocols (uigwe) and other books. French troops looted them in 1866; they returned to Korea in 2011.
