During the Imjinwaeran(Japanese Invasion of Korea in 1592), he played a important role as a righteous ... During the Imjinwaeran, he expressed his feelings in a poem such as patriotic sentiment, feelings of ... This reflected the phases of the time, Imjinwaeran that was the disaster of nation, and his poetry represented
overthrew the abnormal diplomatic convention between Chosun and Japan in the late Chosun dynasty after Imjinwaeran ... probe Ulreungdo and resumed the investigation of Ulreungdo which temporarily stopped around the time of Imjinwaeran
(a war following Imjinwaeran) from Seoul to Pyeongyang, mainly on the south coastal(Namhaean) area of ... Waeseong refers to the castles constructed by the Japanese invaders during Imjinwaeran or Jeongyujaeran