|Revised Romanization||Dongguk Tonggam|
The Dongguk Tonggam (Comprehensive Mirror of the eastern state) is a chronicle of the early history of Korea compiled by Seo Geo-jeong (1420–1488) and other scholars in the 15th century. Originally commissioned by King Sejo in 1446, it was completed under the reign of Seongjong of Joseon, in 1485. The official Choe Bu 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 after Dangun.
Dongguk Tonggam is a one-year-old narrative system. From the Three Kingdoms Period to 669 (the 9th year of the Silla Dynasty), from the establishment of the Three Kingdoms to the year of King Munmu (the 9th year of the reign of King Taejo of the Goryeo Dynasty), the two kingdoms of Shilla considered the period. Dongguk Tonggam contains a total of 382 passages. Among them, 178 were selected from existing librarians. The rest of the argument was written by the writer himself. In particular, Choi Bu left 118 episodes. Dongguk Tonggam is a valuable source of historical information and descriptions from the Joseon Dynasty. 
In this book, the historical positions of Gija-Chosun, Mahan, and Silla, their successors, are elevated, and the positions of Dangun Chosun, Goguryeo, Baekje, Balhae and Goryeo are relatively lowered.
The book was first compiled by King Sejo in his attempt to reconstruct Korean history by accepting romantic and mythical historical descriptions rather than being bound by Confucian causes. However, it was not completed due to the uncooperative efforts of the Yushin groups to protect Confucian causes. <Samguksajeolyo> is part of the <Dongguk Tonggam>, which was revised under the Confucian justification, and was still part of the romantic atmosphere during King Sejo's reign.
- 朝鮮群書大系. 続 第3輯
- (in Korean) In Korean language online encyclopedias:
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