| Xi Xia invaded Song territory in [[Shanxi province]] in the year of its founding, in [[1038]], beginning a war with the Song which was to last until [[1044]]. During this time, the Song developed improved crossbows, gunpowder weapons, catapults, shields, and other projectile weapons. Eventually, the two sides achieved an agreement, by which the Song paid [[tribute]] to the Tanguts in exchange for peace, as the Song simultaneously did with the Khitans. | | Xi Xia invaded Song territory in [[Shanxi province]] in the year of its founding, in [[1038]], beginning a war with the Song which was to last until [[1044]]. During this time, the Song developed improved crossbows, gunpowder weapons, catapults, shields, and other projectile weapons. Eventually, the two sides achieved an agreement, by which the Song paid [[tribute]] to the Tanguts in exchange for peace, as the Song simultaneously did with the Khitans. |
− | War with the Song broke out again in [[1080]]-[[1081]], and the Xi Xia continued to pose a threat to the Song until its fall to [[Mongol]] forces in [[1211]]. | + | War with the Song broke out again in [[1080]]-[[1081]], and the Xi Xia continued to pose a threat to the Song until its fall to [[Mongol]] forces in [[1227]]. |