Yi Sun-sin

Yi Sun-sin was born April 28, 1545, in Joseon Korea, entering a world that would later demand every ounce of his tactical brilliance. When Japan invaded in the Imjin War, he commanded naval forces that were routinely outgunned and undersupplied, yet he engineered victory after victory through raw strategic vision and innovation. His record stood at a minimum of 23 engagements without a single defeat. The apex came at Myeongnyang, where his 13 vessels shattered a Japanese armada of at least 133 ships — a disparity that should have been suicide. He kept his wartime journals, the Nanjung Ilgi, no…