On March 8, 1545 the 1st year of King Injong’s reign, Yi Sun-Shin was born into the Duksu Yi clan, a fairly poor middle-class family. Despite their fairly poor and non-aristocratic status, Yi Sun-Shin was born into a well-educated family clan that emphasized and valued learning and philosophic thought processes. Yi Sun-Shin’s forefathers had served in fairly high-ranking in government position. Yi Sun-Shin’s grandfather were a member of the reformist faction headed by statesman Jo Kwang-Jo, which was heavily repressed by the ruler at that time, King Myungjong. Because of this connection, that grandfather’s line of the Duksu Yi clan fell out of favor from the government and Yi Sun-Shin’s father, Yi Jung, could not obtain any favorable official position within the government. Thus, his family suffered in poverty.
8. Due to ease the living cost. Yi Sun-Shin and his family moved down to Ahsan, his mother’s hometown which is out from the capital. During the teenager time, Yi Sun-Shin was a very active with outstanding intelligence. Early on in his life he prone towards on military maneuvering and he enjoyed playing war games and always took as commanding role. At the age of 21 in the year 1564, Yi Sun-Shin married Miss Bang, who was the only daughter of Bang Jin, a renowned master archer who used to be a local governor. The following year, Yi Sun-Shin began the study of traditional Korean military arts in archery, horseback riding, and swordsmanship. This was a somewhat unusual interest for a son of the Korean elite, who at the time shared the Chinese Confucian view of military service as an inferior occupation.
9. At the age of 28 Yi Sun-Shin applied to take the Kwago National Military Exam, the highest military exam in the country. He failed the exam when he fell off of his horse while being tested for his ability to shoot arrows while riding on horseback. Even though he broke his leg when he fell off of his horse, Yi Sun-Shin himself got up on one leg, gathered some willow tree branches from nearby and tied up his own broken leg. Yi Sun-Shin took the exam once again at the age of 32. He passed.
10. After passing his examinations, he served in various staff and command from lower position to the highest. The 1st unit that he had been deployed was at Dongkubibo Fortress allocated for defending the northern side from the barbarian tribe of Yeojin. Yi Sun-Shin worked hard and bravely by defeating there enemy with glory. Unfortunately, instead of being praised and rewarded for his dedication and success, Yi Sun-Shin, adversely, was demoted and punished to Baekuijongkun due to his uncompromising integrity and honesty that often put him in conflict with his direct supervising officers. This demotion was quite a severe punishment as it meant that Yi Sun-Shin had to serve with no rank in plain white clothing alongside common soldiers. Yi Sun-Shin repeatedly suffered many discharges and objections to his promotions throughout his carrier. However time after time, he manage to pursuit and hasten up his carrier and had attempt several of war during the Imjin War since 1592 to 1598 with victory.
11. Yi Sun-Shin died during the final battle at Noryang Strait where the Korean join force with Chinese to attack the Japanese fleet of 500 ships that was en route to the Chosun town of Soonchon. Towards the end, after almost destroying about 200 enemy ships, Yi Sun-Shin was shot in the chest under his left arm. Concerned about his soldiers’ morale, Yi Sun-Shin told his son and his nephew, “Cover my body with shields. The battle is in full swing. Do not reveal my death.” Soon after uttering those words, Yi Sun-Shin died.