Siege of Caizhou

Siege of Caizhou
	Part of Mongol–Jin War and Jin–Song Wars
Date	December 1233 – February 9, 1234
Location	Caizhou (present-day Runan County, Henan Province, China)
Result	Mongol–Song victory; Emperor Aizong commits suicide; Wanyan Chenglin killed in battle; Fall of the Jin dynasty;
Belligerents
Jin dynasty	Mongol Empire; Southern Song dynasty
Commanders and leaders
Emperor Aizong of Jin †; Emperor Mo of Jin (Wanyan Chenglin) †	Ögedei Khan

The siege of Caizhou in 1233 and 1234 was a battle fought between the Jurchen-led Jin dynasty and the allied forces of the Mongol Empire and Southern Song dynasty. It was the last major battle in the Mongol conquest of the Jin dynasty.