Disturbance of the Three Ports

Disturbance of the Three Ports
DateApril 4 – April 19, 1510
Location
Result Joseon victory
Belligerents
Korea: Joseon Dynasty Japanese living on Tsushima Island and in Korea
Sō clan
Commanders and leaders
Yi U-jeung 
Kim Sae-gyun
Yu Dam-nyeon
Hwang Hyeong
Son of Sō Yoshimori 
Obarishi
Yasko
Strength
Unknown 4,000–5,000
Casualties and losses
270 soldiers and civilians killed 295 killed
5 ships destroyed
Disturbance of the Three Ports
Hangul
삼포왜란
Hanja
三浦倭亂
Revised RomanizationSampo Waeran
McCune–ReischauerSamp'o Waeran

The Disturbance of the Three Ports, also known as Sampo Waeran (Korean: 삼포왜란) or Sanpo no Ran (Japanese: 三浦の乱), refers to riots in 1510 by Japanese citizens residing in the Korean port cities Dongnae, Changwon and Ulsan.