Mongol Conquest of Western Xia

Timeline

1. 1216Western Xia frontier · NorthwestAfter consolidating control over the Jin dynasty's northern occupied territories, Genghis Khan assembled his forces to attack Western Xia again, raiding frontier forts and forcing Western Xia once more onto the defensive.
2. 1216–1217Hetao and Helan Mountains line · NorthwestMongol forces advanced along the Helan Mountains and the Hetao region, capturing or besieging Western Xia's frontier strongholds, weakening its control over the Hexi Corridor and creating military conditions for the subsequent full conquest.