This document provides information on Korean literature and history. It discusses Korea's ancient origins dating back to 2333 BC under the legendary founder Tangun. It then summarizes Korea's unification in the 10th century and rule under the Yi Dynasty from 1392-1910. The document also profiles prominent Korean authors like Yun Seondo, known for his seasonal poetry collection "The Fisherman's Calendar", and painter Yun Tu-so from the late 17th century. In addition, it touches on elements of Korean culture like the Hangul alphabet, celadon pottery, and mask plays.