Siege of Ulsan

First Siege of Ulsan
	Part of the Imjin War
	; Joseon and Ming dynasty soldiers assault the Japanese-built fortress at Ulsan
Date	29 January – 19 February 1598
Location	Ulsan Japanese Castle, Ulsan, Southern Korean Peninsula
Result	Japanese Victory; Withdrawal of Korean and Ming Forces
Belligerents
Joseon and Ming dynasty	Japanese army
Commanders and leaders
Ming:; Yang Hao; Ma Gui ; Joseon:; Gwon Yul	Ulsan castle; Katō Kiyomasa; Asano Yoshinaga; Reinforcements; Mōri Hidemoto; Nabeshima Naoshige; Hachisuka Iemasa; Kuroda Nagamasa
Strength
Ming: 40,000; Joseon: 10,000	Ulsan castle: 10,000; Reinforcements: 13,000
Casualties and losses
According to Ming sources:; 1,621 killed; 2,908 wounded;	~9,000

The siege of Ulsan (Korean: 울산성 전투; Hanja: 蔚山城戰鬪; RR: Ulsanseong Jeontu) was an unsuccessful Ming-Joseon attempt to capture Ulsan from the Japanese. The siege lasted from 26 January to 19 February 1598.

^ ^a ^b Hawley 2005, p. 491.
^ "日本戦史. 朝鮮役（本編・附記）". National Diet Library of Japan (in Japanese).
^ ^a ^b Hawley 2005, p. 495.
^ ^a ^b ^c ^d "A critique of Samuel Hawley's The Imjin War: Japan's Sixteenth-Century Invasion of Korea and Attempt to Conquer China — Part 2: The second invasion". Great Ming Military. 16 August 2019.

[FOOTNOTEHawley2005491-1] Hawley 2005, p. 491.

[2] "日本戦史. 朝鮮役（本編・附記）". National Diet Library of Japan (in Japanese).

[FOOTNOTEHawley2005495-3] Hawley 2005, p. 495.

[crit1-4] "A critique of Samuel Hawley's The Imjin War: Japan's Sixteenth-Century Invasion of Korea and Attempt to Conquer China — Part 2: The second invasion". Great Ming Military. 16 August 2019.

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