Yi Sun-sin
Nanjung ilgi or War Diary of Yi Sun-sin is the personal diary of Admiral Yi Sun-sin (Hangul: 이순신, Hanja: 李舜臣), a Korean naval commander who lived during the Joseon Dynasty. It was written between January 1, 1592 and November 17, 1598, a first person narrative of the admiral's perspective on the Japanese invasions of Korea in the late 16th century.