Ukita Hideie
In the first campaign, Hideyoshi appointed Ukita Hideie as field marshal, and had him go to the Korean peninsula in April 1592. Konishi Yukinaga occupied Seoul, which was the capital of the Joseon dynasty of Korea, on June 19. After Seoul fell easily, Japanese commanders held a war council in June in Seoul and determined targets of subjugation called "Hachidokuniwari" (literally, dividing the country into eight routes). Each targeted province was attacked by one of the army's eight divisions: