War and Military Atlas

How Battles Were Fought
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War

Imjin War

Early Modern

The Imjin War, also called the Japanese invasions of Korea, was fought from 1592 to 1598 after the Japanese daimyo Toyotomi Hideyoshi, having unified Japan, launched an invasion of Joseon Korea intending to use it as a corridor for the conquest of Ming China. Japanese forces initially swept across the Korean peninsula with modern arquebus firearms, capturing the capital Hanseong (Seoul) and Pyongyang within months, but the tide turned as Ming China intervened on Korea's behalf and the Korean admiral Yi Sun-sin won a remarkable series of naval victories, most famously at Hansando in 1592, using the armored "turtle ship" to repeatedly cut Japanese supply lines. A prolonged stalemate followed a failed 1596 peace negotiation, and Hideyoshi launched a second invasion in 1597 that was likewise contained; his death in 1598 prompted a full Japanese withdrawal. The war devastated Korea, left Ming China financially and militarily weakened ahead of its own collapse, and delayed Japanese overseas ambitions for nearly three centuries.

Facts
Start Year
1592 2
End Year
1598 2
Combatants
Joseon Korea and Ming China (allied) versus Toyotomi Japan 2
Outcome
Joseon-Ming victory and Japanese withdrawal; status quo ante bellum after a military stalemate 2
Classification
Conflict Type
Interstate War 1
Connections

Associated With

Matchlock Arquebus, Weapons Systems

Both Japanese and Joseon/Ming forces fielded matchlock firearms extensively during the Imjin War (1592-1598); the arquebus was central to the Japanese invasion force.

Source Wikipedia: Imjin War

Uses

Source Wikipedia: Chu-ko-nu
Source Wikipedia: Gakgung
Source Wikipedia: Grenade
Source Wikipedia: Hwacha
Source Wikipedia: Siege tower
Sources
1. Imjin War (Wikipedia)
Lead text
Quote, Lead text
The Imjin War (Korean: 임진왜란; Hanja: 壬辰倭亂) was a series of two Japanese invasions of Korea: an initial invasion in 1592 also individually called the "Imjin War", a brief truce in 1596 between the conflicts, followed by a second invasion in 1597 called the Chŏngyu War (정유재란; 丁酉再亂).
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2. Wikipedia: Imjin War
Wikipedia
  • Lead section (start year)
    The conflict ended in 1598 with the withdrawal of Japanese forces from the Korean Peninsula after a military stalemate.
  • Lead section (end year)
    The conflict ended in 1598 with the withdrawal of Japanese forces from the Korean Peninsula after a military stalemate.
  • Lead section (combatants)
    The conflict ended in 1598 with the withdrawal of Japanese forces from the Korean Peninsula after a military stalemate.
  • Lead section (outcome)
    The conflict ended in 1598 with the withdrawal of Japanese forces from the Korean Peninsula after a military stalemate.
  • Lead section
    The invasions were launched by Toyotomi Hideyoshi to conquer Korea, and Japan quickly occupied large portions of the country. However, reinforcements from Ming China and disruption of Japanese supply fleets by the Joseon Navy forced the Japanese forces to withdraw from the northern provinces.
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Wikipedia: Gakgung
Uses: Gakgung, Article text
Quote, Uses: Gakgung, Article text
Although Joseon adopted the arquebus during the Imjin War, the gakgung retained its position of importance in the military until the reforms of 1894.
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Wikipedia: Grenade
Uses: Grenade, Article text: sections
Quote, Uses: Grenade, Article text: sections
A type of grenade called the 'flying impact thunder crash bomb' (飛擊震天雷) was developed in the late 16th century and first used in September 1, 1592 by the Joseon Dynasty during the Japanese invasions of Korea.
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Wikipedia: Siege tower
WikipediaUses: Siege Tower, Wikipedia article text
Quote, Uses: Siege Tower, Wikipedia article text
During the Imjin War, the Japanese utilized siege towers to scale the walls of Jinju but were beaten back several times by Korean cannons.
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Wikipedia: Chu-ko-nu
WikipediaUses: Chu-ko-nu, Lead section
Quote, Uses: Chu-ko-nu, Lead section
According to the Wu-Yue Chunqiu (history of the Wu-Yue War), written in the Eastern Han dynasty, the repeating crossbow was invented during the Warring States Period by a Mr.
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Wikipedia: Hwacha
WikipediaUses: Hwacha, Article text
Quote, Uses: Hwacha, Article text
Hwachas saw action most extensively against the Japanese during their invasions of Korea in the 1590s.
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