Yi Siae's Rebellion

Yi Siae's Rebellion
DateMay—August 1467
Location
Result

Government Victory

  • Rebellion suppressed
Belligerents
Joseon Army Yi Siae's Rebel Army
Commanders and leaders
Sejo of Joseon
Prince Gwiseong
Cho Sŏngmun
Hŏ Chong
Kang Sun
Kim Kyo
Ŏ Yuso
Nam I
Yi Siae  
Yi Sihap  
Yi Myŏnghyo  
Strength

May: 30,000

July: 50,000

May: 30,000

July: 10,000
Casualties and losses
Unknown military casualties. Twenty thousand surrendered and defected to the government army. Destruction of the rebel army and execution of their leaders.
Yi Siae's Rebellion
Hangul
이시애의 난
Hanja
李施愛ㅡ亂
RRI Siaeui nan
MRI Siaeŭi nan

Yi Siae's Rebellion was an armed rebellion in 1467 in Hamgil Province (later renamed Hamgyong Province) led by General Yi Siae, a member of Yangban landowners in Kilju, Hamgil Province, to rebel against the centralized policy of King Sejo.