Timeline of the Japanese invasions of Korea (1592–98)

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1418 Japanese pirate attacks on Korea during King Sejong the Great's rule, results in a Joseon Dynasty invasion on Pirate held Tsushima Island.

1443 Joseon Dynasty and The feudal lord of the Tsushima island in Japan signed a Treaty of Gyehae.

1510 Japanese riot in Three ports (Busan, Ulsan and Jinhae).

1512 Joseon Dynasty and Japan signed a Treaty of Imsin.

1543 Japan trades with Portuguese ships. Japan acquires and begins the manufacture of arquebuses.

1544 Japanese riots in Saryangjin. Korea declares severance of diplomatic relations with Japan.

1547 Treaty of Jeongmi: Korea and Japan reopened diplomatic relations.

1567 King Seonjo becomes the monarch of Joseon.

1578 Yi I, a scholar, strongly suggests that Korea should train an army of 100,000, but his suggestion is rejected.

1582 Toyotomi Hideyoshi comes to power in Japan.

1586 First reference of Toyotomi Hideyoshi's plan to attack Korea and China.

1586 Yi Sun-sin soldiers repel a Jurchen attack.

1588 Yu repeatedly urges for castle reconstruction and soldier training but rejected.

1590 Conspiracies against Yi Sun-sin keep him from being appointed as district magistrate Jeongeup.

1590 Japanese ambassadors send an arquebuse to King Seonjo as a gift.

1591 Admiral Yi finally becomes Commander of Western Jeolla Fleet and begins his naval career.

1591 Admiral Yi begins to construct the innovative Turtle ships and strengthens the navy.

1591 King Seonjo sends mission to Japan, who confirm that Japan is not going to attack Korea.


April 13–14, 1592 158,000 Japanese forces land in Korea and capture Busan and Dadaejin in a shock attack. Japanese First and Second Divisions under Konishi Yukinaga and Katō Kiyomasa begin to march north.

April 24, 1592 Battle of Sangju, Japanese victory.

April 1592 Korean forces fail to repel Japanese at Choryang Pass. This consequently leads to the capture of Seoul.

April 28, 1592 Battle of Chungju: Japanese victory.

April 30, 1592 Japanese capture a deserted Seoul.

May 1592 Battle at Uiryong.

May 7, 1592 King Seonjo and his court flee to Pyongyang.

May 7, 1592 Admiral Yi defeats the Japanese navy at the Battle of Okpo.

May 29, 1592 Admiral Yi attacks and wins the Battle of Sacheon (1592). Turtle Ships make their first appearance.

June 2, 1592 Battle of Dangpo. Korean naval victory.

June 4, 1592 Battle of Danghangpo. Korean naval victory.

August 1592 Armies including Korean commoners and Buddhist monks form under leaders Yeong-gyu and Jo Heon.

July 8, 1592 Battle of Hansan Island. Large Korean naval victory by Admiral Yi. Japanese forces fail to capture Yeosu and retreat back to Busan.

October 5, 1592 Siege of Jinju (1592). Korean victory and the failure for Japanese forces to enter Jeolla Province.

September 1, 1592 Admiral Yi attacks and destroys the Japanese fleet at Battle of Busan.

December 1592 Chinese forces begin to move into Korea.


January 1593 Japanese Second Division under Katō reach the northern border of Korea and win a string of victories along Korea's eastern coast in the north. (Hamgyong campaign)

January 1593 43,000 Chinese and Korean force recapture Pyongyang from Japanese Forces.

January 27, 1593 Battle of Byeokjegwan, Japanese divisions successfully stop Chinese pursuits.

February 12, 1593 Korean forces under Kwon Yul defend and win a large battle against Japanese forces at the Battle of Haengju. Japanese forces retreat again.

April 19, 1593 Korea recapturing the Hanseong, capital of Korea.

April 1593 Japanese retreat to Busan.

July 1593 Admiral Yi moved naval camp to Hansan Island.

August 1593 Admiral Yi was appointed command of the entire Korean navy. (Samdosugun Tongjesa, English Translation : Lord Admiral of Three Provincial Navies, Hangul : 삼도수군통제사, Hanja :三道水軍統制使) by the Joseon government.

August 1593 King Seonjo ordered establishment of the Hunnyeon Dogam (Training capital garrisons).


March 4, 1594 Admiral Yi attacks the Japanese navy and wins the Second Danghangpo Battle.



June 1596 Yi Mong-hak rebellion.


January 15, 1597 Japanese Second invasion begins.

February 1597 Admiral Yi dismissed as commander of the Joseon Navy.

July 16, 1597 Battle of Chilcheollyang. Japanese naval victory.

August 13–16, 1597 Siege of Namwon. Japanese victory.

August 1597 King Seonjo reassigns Admiral Yi as the commander of the Joseon Navy.

September 7, 1597 Joseon and Ming allied forces achieve victory in Battle of Jiksan.

October 26, 1597 Battle of Myeongnyang. Korean naval victory.

October 1597 Japanese, retreat on Southern Gyeongsang province.


February 1598 Admiral Yi moves naval camp in Gogeum Island.

July 1598 Admiral Yi and Chinese naval commander Chen Lin organizes the union fleet.

September 18, 1598 Hideyoshi's death.

December 16, 1598 Battle of Noryang Point. Final naval battle and the death of Admiral Yi.

December 21-24, 1598 Last Japanese Generals left to Japan bringing the War to its end.


1604 Buddhist monk Yu Jeong travels to Japan on King Seonjo's orders to negotiate a peace accord with Tokugawa Ieyasu.


1609 Joseon Dynasty and Tokugawa shogunate signed a Treaty of Giyu.

See also[edit]


  • 이민웅 [Lee, Min-Woong], 임진왜란 해전사 [Imjin Wae-ran Haejeonsa: The Naval Battles of the Imjin War], 청어람미디어 [Chongoram Media], 2004, ISBN 89-89722-49-7.