Ming Intervention in Korea

Timeline

1. 1592Beijing · ChinaAfter Japanese forces invaded Korea, three Korean envoys went to the Ming court to report the emergency; the Wanli Emperor decided to send troops on the grounds that "Korea is a vassal state, lips and teeth interdependent." Zu Chengxun led 3,000 cavalry across the river first to scout the way for the main army.
2. 1592–1593Pyongyang · KoreaSong Yingchang, director of Korean military affairs, and commander Li Rusong led over 40,000 Ming troops across the Yalu River, capturing Pyongyang in the first month of 1593; Konishi Yukinaga retreated south with his remnants, greatly boosting the morale of the Ming-Korean allied forces.
3. 1593–1598Korean Peninsula · Korean PeninsulaThe Ming kept troops in Korea during the truce, and after the second invasion sent Ma Gui, Chen Lin and others with large land and naval forces, participating in the land battles of Jiksan and Ulsan and the naval Battle of Noryang, spending over 20 million taels of silver in total and severely damaging the Toyotomi regime's expeditionary capacity.