Ariq Böke
Chagatayid Khan Alghu, who had been appointed by Ariq Böke, declared his allegiance to Kublai and defeated a punitive expedition sent by Ariq Böke in 1262. The Ilkhan Hulagu also sided with Kublai and criticized Ariq Böke. Ariq Böke surrendered to Kublai at Xanadu on August 21, 1264. The rulers of the western khanates acknowledged Kublai's victory and rule in Mongolia. When Kublai summoned them to a new "kurultai", Alghu Khan demanded recognition of his illegal position from Kublai in return. Despite tensions between them, both Hulagu and Berke, khan of the Golden Horde, at first accepted Kublai's invitation. However, they soon declined to attend the "kurultai". Kublai pardoned Ariq Böke, although he executed Ariq Böke's chief supporters.