Yi Sun-sin (李舜臣, April 28, 1545 to December 16, 1598 (November 19, 1598) was a military official of the mid-Joseon Period who served as the governor of Jindo County and the commander of Jwa-do County in Jeolla Province.
During the Japanese Invasion of Korea in 1592, he became the commander of the three provinces of Joseon and won consecutive naval battles with the Japanese naval forces due to his leadership, outstanding tactics, outstanding strategies and skillful tactics.
On November 19, 1598 (Dec. 16, 1598), he took the lead in the Battle of Noryang and Gwaneumpo and was sadly hit by the enemy's stray bullet.
Until the moment of his death, he quietly closed his eyes, saying, "The fight is urgent, so refrain from saying that I am dead."
Admiral Yi Sun-sin is revered as a saint who saved Joseon from a crisis.