# Timeline of the Imjin War
## Pre-war

| Year | Date | Event |
| 1544 | | Wokou raid Saryang-jin |
| 1555 | | Wokou raid Joseon |
| 1583 | | Yi Sun-sin defeats a Jurchen force near the Tumen River |
| 1587 | | Yi Sun-sin is demoted to a common soldier after annoying I Il |
| 1587 | | Toyotomi Hideyoshi sends an insulting letter to the Joseon court |
| 1588 | | Toyotomi Hideyoshi sends envoys asking the Joseon court to aid them in invading the Ming dynasty |
| 1589 | | Toyotomi Hideyoshi orders Shō Nei of the Ryukyu Kingdom to suspend trade with the Ming dynasty, but he refuses and reports the matter to Ming envoys instead |
| 1590 | 4 August | Siege of Odawara (1590): The Later Hōjō clan is defeated and most of the northern daimyō submit without a fight |
| 1590 | August | Joseon envoys arrived in Japan |
| 1591 | March | Envoys return to Joseon and refuse to aid Japan in invading the Ming dynasty |
| 1591 | 8 March | Yi Sun-sin is appointed to the post Left Naval Commander of Jeolla following Yu Sŏngnyong's recommendation |
| 1591 | | A Chinese trader captured by the Japanese sends a message to Zhejiang stating that 100,000 Japanese troops are being amassed to invade the following year |
| 1591 | | The Wanli Emperor orders coastal defenses to be strengthened |
| 1591 | | Joseon sends a request for help to the Ming dynasty |
| 1592 | April | The Japanese army assembles at Nagoya |

## 1592

| Year | Date | Event |
| 1592 | 23 May | The Japanese First Division under Konishi Yukinaga and Sō Yoshitoshi arrive at Busan |
| 1592 | 24 May | Siege of Busanjin: Japanese First Division takes Busan |
| 1592 | 24 May | Battle of Dadaejin: Japanese First Division takes a neighboring coastal fort |
| 1592 | 25 May | Siege of Dongnae: Japanese First Division takes Dongnae |
| 1592 | 26 May | Japanese First Division takes Yangsan and Miryang |
| 1592 | 28 May | Japanese First Division takes Daegu |
| 1592 | 28 May | Japanese Second Division under Katō Kiyomasa arrives in Busan and takes Ulsan, Gyeongju, Yeongcheon, Sinnyeong, and Gumi |
| 1592 | 29 May | Japanese Third Division under Kuroda Nagamasa arrives west of Busan and takes Gimhae before heading north |
| 1592 | 3 June | Battle of Sangju: Japanese First Division takes Sangju |
| 1592 | 4 June | Japanese Third Division takes Cheongju |
| 1592 | 5 June | Japanese First and Second divisions meet up at Mungyeong |
| 1592 | 6 June | Battle of Chungju: Japanese First Division takes Chungju |
| 1592 | 8 June | Gwanghae is installed as prince |
| 1592 | 9 June | The Joseon royal family departs from Hanseong and the city descends into chaos |
| 1592 | 11 June | Katō Kiyomasa's Second Division crosses the Han River |
| 1592 | 12 June | Japanese First Division takes Hanseong and the Second Division arrives a few hours later |
| 1592 | 13 June | Yi Sun-sin's fleet of 39 warships depart from Yeosu |
| 1592 | 14 June | Yi Sun-sin arrives at Dangpo to rendezevouz with Won Gyun, who doesn't show up |
| 1592 | 15 June | Won Gyun arrives at Dangpo with 4 warships and together they depart for Geoje |
| 1592 | 16 June | Kuroda Nagamasa's Third Division and Ukita Hideie's Eighth Division arrive at Hanseong while the other five divisions have landed at Busan |
| 1592 | 16 June | Yi Sun-sin's fleet reaches Okpo where they find Japanese ships at anchor |
| 1592 | 16 June | The Joseon royal family arrives at Pyeongyang |
| 1592 | 17 June | Battle of Okpo: Yi Sun-sin and Won Gyun defeat a fleet of 50 Japanese transport ships, but split up and return home after receiving news of the fall of Hanseong |
| 1592 | 18 June | Yi Sun-sin arrives back at Yeosu |
| 1592 | 7 July | Battle of Imjin River (1592): The Korean defense is defeated and the three vanguard Japanese divisions cross the river and take Gaeseong |
| 1592 | 8 July | Battle of Sacheon (1592): Yi Sun-sin destroys more than 12 large Japanese ships at Sacheon |
| 1592 | 9 July | Battle of Dangpo: Yi Sun-sin defeats a fleet of 21 Japanese warships |
| 1592 | 12 July | Battle of Danghangpo: Yi Sun-sin's fleet destroys 26 Japanese ships |
| 1592 | 16 July | Konishi Yukinaga arrives at the Daedong River and Kuroda Nagamasa joins him a few days later |
| 1592 | 18 July | The Korean fleet dissolves and each commander heads back to their respective ports to recuperate |
| 1592 | 19 July | Seonjo of Joseon departs from Pyeongyang and heads for Yeongbyeon |
| 1592 | 24 July | Siege of Pyongyang (1592): Japanese First and Third divisions take Pyeongyang |
| 1592 | 26 July | Seonjo of Joseon meets a token force of 1,000 from the Ming dynasty at Gwaksan |
| 1592 | 30 July | Seonjo of Joseon arrives at Uiju with Tai Zhaobian and Shi Ru |
| 1592 | July | Gwak Jaeu leads a force of 1,000 in resistance against Japanese occupation in the south but later enters government service when he's accused of robbery |
| 1592 | 7 August | Go Gyeong-myeong dies in a failed attack on Japanese held Geumsan |
| 1592 | 8 August | The Ming dynasty decides to dispatch troops to Joseon |
| 1592 | 10 August | I Eokgi joins with Yi Sun-sin at Yeosu to practice naval formations |
| 1592 | 12 August | Yi Sun-sin and I Eokgi rendezvous with Won Gyun at Noryang |
| 1592 | 14 August | Battle of Hansan Island: Yi Sun-sin, I Eokgi, and Won Gyun defeat a Japanese fleet |
| 1592 | 15 August | Battle of Hansan Island:Yi Sun-sin, I Eokgi, and Won Gyun defeat another Japanese fleet at Angolpo |
| 1592 | 15 August | Zhao Chengxun arrives at Uiju with a force of 5,000 |
| 1592 | 23 August | Battle of Pyongyang (1592): Zhao Chengxun and Shi Ru attack Pyeongyang and are defeated |
| 1592 | August | Gim Cheonil entrenches himself on Ganghwa Island |
| 1592 | 6 September | Battle of Cheongju: Jo Heon takes Cheongju |
| 1592 | 12 September | Konishi Yukinaga heads to Hanseong to discuss future defense plans with Ukita Hideie |
| 1592 | 22 September | Jo Heon attacks Geumsan and dies and the monk Yeonggyu follows up soon after and dies as well |
| 1592 | 29 September | Yi Sun-sin and I Eokgi set sail from Yeosu with a reconstructed fleet of 166 ships and Won Gyun joins them the day after |
| 1592 | 3 October | Kuroda Nagamasa fails to take Yeonan |
| 1592 | 4 October | Yi Sun-sin's fleet reaches Nakdong River |
| 1592 | 4 October | A 50-day armistice is signed by Shen Weijing at Pyeongyang |
| 1592 | 5 October | Battle of Busan (1592): Yi Sun-sin's fleet bombards the Japanese fleet and destroys 130 ships before retreating |
| 1592 | 6 October | The Wanli Emperor sends an edict to Seonjo of Joseon stating his support for driving out the Japanese |
| 1592 | 6 October | Yi Sun-sin's fleet is disbanded and he returns home for resupplies |
| 1592 | 6 October | Kuroda Nagamasa fails to take Yeonan again |
| 1592 | 12 October | Bak Jin retakes Gyeongju |
| 1592 | October | Hamgyong campaign: Katō Kiyomasa's Second Division occupies Hamgyeong |
| 1592 | October | Nurhaci offers to join the war against the Japanese but is rejected by both the Ming dynasty and Joseon |
| 1592 | 13 November | Siege of Jinju (1592): Japanese Seventh Division fails to take Jinju |
| 1592 | 23 December | Shen Weijing returns to Pyeongyang and tells the Japanese that there would be no further negotiations until they retreat all the way back to Busan |
| 1592 | 29 December | Konishi Yukinaga tells Shen Weijing that they would withdraw from Pyeongyang if the Ming dynasty gave them rights to ports along China's coast |

## 1593

| Year | Date | Event |
| 1593 | 5 January | Wu Weizhong leads 5,000 men across the Yalu River |
| 1593 | 26 January | Li Rusong's army of 35,000 reaches the Yalu River |
| 1593 | 6 February | Siege of Pyongyang (1593): The allied Ming-Joseon army lays siege to Pyeongyang |
| 1593 | 6 February | The Ayutthaya Kingdom's offer to send ships is rejected by the Ming dynasty |
| 1593 | 8 February | Siege of Pyongyang (1593): Konishi Yukinaga's First Division retreats from Pyeongyang, ending the siege |
| 1593 | 17 February | Konishi Yukinaga's remaining men reach Hanseong |
| 1593 | 19 February | Li Rusong takes Gaeseong |
| 1593 | 22 February | Katō Kiyomasa and Nabeshima Naoshige's Second Division depart from Anbyeon and make their way back to Hanseong |
| 1593 | 27 February | Battle of Byeokjegwan: The Ming army's advance towards Hanseong is repelled |
| 1593 | 8 March | Yi Sun-sin leaves for Geoje where he and Won Gyun rendezvous |
| 1593 | 9 March | I Eokgi joins Yi Sun-sin and Won Gyun |
| 1593 | 14 March | Battle of Haengju: The Japanese fail to take Haengju on the Han River |
| 1593 | 20 March | Yi Sun-sin destroys 10 Japanese vessels near Ungchon |
| 1593 | 24 March | Yi Sun-sin attacks Ungchon and releases five Korean prisoners |
| 1593 | 3 May | Yi Sun-sin returns to Yeosu |
| 1593 | 7 May | Li Rusong returns to Gaeseong |
| 1593 | 18 May | The Japanese abandon Hanseong |
| 1593 | 19 May | The Ming army retakes Hanseong |
| 1593 | May | "Big Sword" Liu Ting crosses the Yalu River with 5,000 Southern Chinese reinforcements |
| 1593 | 22 June | Xie Yongzu and Yu Yihuan negotiate with Konishi Yukinaga at Nagoya |
| 1593 | June | The Japanese retreat to 17 fortresses on Korea's southern coast and the allied army makes camp at Uiryeong and Changnyeong |
| 1593 | 27 July | Siege of Jinju (1593): The Japanese conduct a massacre at Jinju |
| 1593 | 1 September | Hideyoshi Toyotomi gives the order to withdraw 40,000 troops from Korea. |
| 1593 | 16 September | Most of the Ming army departs from Korea, leaving a garrison force of 16,000 |
| 1593 | 24 October | Seonjo of Joseon returns to Hanseong |

## 1594

| Year | Date | Event |
| 1594 | April | Yi Sun-sin destroys 39 Japanese ships |
| 1594 | December | All Ming soldiers are withdrawn from Korea |

## 1596

| Year | Date | Event |
| 1596 | 22 October | Negotiations break down as Hideyoshi Toyotomi realizes the Ming and Joseon envoys aren't in Japan to show obeisance to the greatness of Nippon civilization |

## 1597

| Year | Date | Event |
| 1597 | 1 March | Katō Kiyomasa lands at Jukdo with 10,000 men |
| 1597 | 2 March | Konishi Yukinaga arrives at Busan with 7,000 men |
| 1597 | 12 April | Yi Sun-sin is arrested and replaced by Won Gyun |
| 1597 | 16 May | Yi Sun-sin is released from prison |
| 1597 | June | Yang Yuan crosses the Yalu River with 3,000 soldiers |
| 1597 | 31 July | Won Gyun leads a fleet east from Hansando but returns after meeting a small squadron of Japanese ships at Geoje |
| 1597 | July | Yang Yuan reaches Namweon |
| 1597 | 15 August | Ma Gui arrives at Hanseong with 1,000 troops |
| 1597 | 17 August | Won Gyun takes the entire fleet and sails east to Busan |
| 1597 | 20 August | Battle of Chilcheollyang: The Korean fleet is repelled near Busan |
| 1597 | 28 August | Battle of Chilcheollyang: Nearly the entire Korean fleet is destroyed, Won Gyun and I Eokgi are both killed |
| 1597 | August | Total Japanese forces in Korea reach 141,900 |
| 1597 | 11 September | Ukita Hideie marches west from Busan with a force of 49,600 |
| 1597 | 13 September | Yi Sun-sin is reinstated |
| 1597 | 23 September | Siege of Namwon: A Japanese army of 50,000 lays siege to Namweon |
| 1597 | 26 September | Siege of Namwon: The Japanese take Namweon |
| 1597 | 26 September | The Japanese take Hwangseoksan |
| 1597 | 28 September | Yi Sun-sin arrives at Hoeryeong |
| 1597 | 30 September | The Japanese take Jeonju |
| 1597 | 4 October | Yang Yuan retreats to Hanseong |
| 1597 | 8 October | Yi Sun-sin scares off an advance Japanese scout party at Oranpo |
| 1597 | 16 October | Battle of Jiksan: The Japanese advance north is checked by Ming forces and forced to retreat |
| 1597 | 17 October | The Japanese take Oranpo but are repelled at Jindo |
| 1597 | 24 October | 200 Japanese ships approach Oranpo |
| 1597 | 26 October | Battle of Myeongnyang: The Japanese fleet is repelled by Yi Sun-sin |
| 1597 | 23 November | Ma Gui arrives at Jeonju |

## 1598

| Year | Date | Event |
| 1598 | 26 January | Yang Hao, Ma Gui, and Gwon Yul meet at Gyeongju, forming an army of 50,000 |
| 1598 | 29 January | Siege of Ulsan: The allied army lays siege to Ulsan |
| 1598 | 19 February | Siege of Ulsan: The allies fail to take Ulsan and retreat, suffering heavy casualties |
| 1598 | 23 May | Yi Sun-sin leads his ships to establish base at Gogeum |
| 1598 | May | Chen Lin arrives at Tongjak with the Ming fleet |
| 1598 | 26 June | Toyotomi Hideyoshi orders the withdrawal of half his troops from Korea |
| 1598 | July | Liu Ting arrives at Hanseong with 20,000 troops |
| 1598 | 12 August | Yang Hao leaves Hanseong to face charges against him in Beijing |
| 1598 | 17 August | Chen Lin arrives at Gogeum and joins with Yi Sun-sin |
| 1598 | 18 September | Hideyoshi Toyotomi dies |
| 1598 | 19 October | Siege of Suncheon: Allied forces lay siege to Suncheon |
| 1598 | October | Second Siege of Ulsan: Allied forces lay siege to Ulsan |
| 1598 | 2 November | Second Siege of Ulsan: Allied forces retreat from Ulsan |
| 1598 | 2 November | Siege of Suncheon: Allied forces retreat from Suncheon |
| 1598 | 6 November | Battle of Sacheon (1598): Allied forces lay siege to Sacheon |
| 1598 | 11 November | Battle of Sacheon (1598): Allied forces are forced to retreat from Sacheon |
| 1598 | 16 December | Battle of Noryang: The Japanese fleet is defeated by Yi Sun-sin |
| 1598 | 24 December | The last Japanese ships leave Korea |