Nanjung Ilgi or War Diary of Yi Sun-sin is the personal diary of Korean Admiral Yi Sun-sin (Hangul: 이순신, Hanja: 李舜臣) during the Joseon Dynasty. It was written between January 1, 1592 and November 17, 1598 by the Admiral himself. It directly explains the Seven Years War in the Admiral's perspective. It is the 76th national treasure of Korea and listed in UNESCO's Memory of the World registry.