– 1 2 6 0 . ▁Ber ke ▁also ▁for ged ▁an ▁al liance ▁with ▁the ▁Egypt ian ▁Mam lu ks ▁against ▁H ul agu ▁and ▁supported ▁Kub la i ' s ▁rival ▁claim ant , ▁Ari q bo ke . ▁ ▁H ul agu ▁died ▁on ▁February ▁ 8 , ▁ 1 2 6 4 . ▁Ber ke ▁sought ▁to ▁take ▁advantage ▁and ▁in va de ▁H ul agu ' s ▁real m , ▁but ▁he ▁died ▁along ▁the ▁way , ▁and ▁a ▁few ▁months ▁later , ▁Alg hu ▁Khan ▁of ▁the ▁Ch ag ata i ▁Khan ate ▁died ▁as ▁well . ▁Kub la i ▁named ▁H ul agu ' s ▁son ▁Ab a qa ▁as ▁a ▁new ▁il k han , ▁and ▁Ab a qa ▁sought ▁foreign ▁al li ances , ▁such ▁as ▁attempting ▁to ▁form ▁a ▁Franco - M ong ol ▁al liance ▁with ▁the ▁Europe ans ▁against ▁the ▁Egypt ian ▁Mam lu ks . ▁Kub la i ▁nominated ▁B atu ' s ▁grand son ▁M ö ng ke ▁Tem ür ▁to ▁lead ▁the ▁Golden ▁Hor de . ▁Ari q bo q e ▁surrender ed ▁to ▁Kub la i ▁at ▁Shang du ▁on ▁August ▁ 2 1 , ▁ 1 2 6 4 . ▁ ▁Dis integration ▁into ▁four ▁k han ates ▁The ▁establishment ▁of ▁the ▁Y uan ▁dynast y ▁( 1 2 7 1 – 1 3 6 8 ) ▁by ▁Kub la i ▁Khan ▁acceler ated ▁the ▁fragment ation ▁of ▁the ▁Mong ol ▁Empire . ▁The ▁Mong ol