The Chosun-Japan War began as the Japanese Army landed at the Busan Port on April 13 1592. At that time, Chosun had deployed its main force along the Duman River in preparation against the invasion of Jurchens, the defense of the southern front line w...
The Chosun-Japan War began as the Japanese Army landed at the Busan Port on April 13 1592. At that time, Chosun had deployed its main force along the Duman River in preparation against the invasion of Jurchens, the defense of the southern front line was loose. As the Japanese Army moved northward rapidly, the Chosun government threw General Shin Rip into the battle line. Considering whether to line up the defense force at the rough Joryeong pass and launch a surprise attack or to wage a cavalry battle at Tangeum-dae, the general pitched a camp at Tangeum-dae because the Chosun Army had been defeatedin every engagement at the Joryeong pass until that time. Eight thousand Chosun cavalry soldiers fought bravely against Japanese force of 50,000 but all of them fell in the battle.
The Pyeongyang-seong Battle fought by the combined forces of Chosun and Ming lasted three days from the 6th to the 8th of January 1593. Ming General Nak Sang-ji and Chosun General Lee Yil attacked the Hamgu Gate of the Pyeongyang-seong Wall, and Lee Yeo-song attacked the Chilseong Gate. The Japanese Army dug the ground in front of each gate on the outer wall and the inner wall, and deployed firelock units. Around the dugouts were deployed spear and sword units, cavalry and archery. Although the Chosun-Ming Allied Forces suffered great damages by the firelock units, the Ming Army recaptured Pyeongyang-seong using advanced weapons such as Bangpae(防牌), Rangseon (狼筅), Jangchang(長槍), Dangpa(鏜鈀). On the other hand, Chosun cavalry pursued and destroyed Japanese remnants running away out of Pyeongyang-seong.
General Gwon Yool pitched a camp with 2,300 monk and patriotic soldiers at Haengju-seong on February 12 1593. The Japanese Army divided its 30,000 soldiers into the right and left forces and attacked the wall with firelock units and artillery at the front. However, the Chosun Army lured them close to the fortress and then shot arrows, threw stonesand fired all kinds of cannons. Japanese forces attacked by turns, but as Gyeonggi-do governor Lee Bin supplied tens of thousands of arrows and cargo vessels from Jolla-do also supported, the battle was won by the Chosun Army. The great victory at Haengju-seong led by General Gwon Yool was due to the defense tactic leaning against the wall. Since then, the Chosun Army took the wall defense tactic as the foundation of national defense.