1252年六月，忽必烈去曲先腦兒（蒙哥駐夏之地）進見蒙哥汗。蒙哥命忽必烈率軍征雲南。1253年，忽必烈帶領雄師在六盤山度夏。春季，雄師顛末臨洮進入藏族地區，達到忒刺（今四川鬆潘）處所。1254年初，忽必烈軍包抄了大理城。大理軍民出城迎戰得勝。段興智和高祥棄城逃脫，大理城陷。忽必烈派大將也古和霸突...崗結吉吉我

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