The Dongguk Tonggam is a chronicle of early Korean history, compiled by Seo Geo-jeong (1420-1488) and other scholars in the 15th century. Originally commissioned by King Sejo

Sejo of Joseon

Sejo of Joseon was the seventh king of the Joseon Dynasty of Korea. He produced a coup d'etat and became king himself in 1455.-Reign:...

 in 1446, it was completed under the reign of Seongjong of Joseon

Seongjong of Joseon

Seongjong of Joseon was the ninth king of the Joseon Dynasty of Korea. He succeeded King Yejong in 1469 and ruled until 1494.-Reign:...

, in 1485. The official Ch'oe Pu was one of the scholars who helped compile and edit the work. The earlier works on which it may have been based have not survived. The Dongguk Tonggam is the earliest extant record to list the names of the rulers of Gojoseon

Gojoseon

Gojoseon was an ancient Korean kingdom. Go , meaning "ancient," distinguishes it from the later Joseon Dynasty; Joseon, as it is called in contemporaneous writings, is also romanized as Chosŏn....

 after Dangun

Dangun

Dangun Wanggeom was the legendary founder of Gojoseon, the first Korean kingdom, around present-day Liaoning, Manchuria, and the Korean Peninsula. He is said to be the "grandson of heaven", and to have founded the kingdom in 2333 BC...

.