Editing 1226 (section)

==== Mongol Empire ====
* Summer &ndash; [[Genghis Khan]] starts a [[Mongol conquest of Western Xia|campaign against]] the [[Tangut people|Tanguts]], punishing the vassal kingdom of [[Western Xia]] (or '''Xi Xia''') for not contributing to the [[Mongol invasions and conquests|Mongol invasions]]. He assembles a large force (some 100,000 men), and lays siege to [[Wuwei, Gansu|Liangzhou]], second-largest city in Western Xia, which surrenders without resistance. In the autumn, Genghis crosses the [[Helan Mountains]], and in November he lays siege to [[Lingwu]]. Meanwhile, Emperor [[Emperor Xianzong of Western Xia|Xian Zong]] dies and is succeeded by his nephew [[Emperor Mo of Western Xia|Mo]] (or '''Li Xian''').<ref>Man, John (2004). ''Genghis Khan: Life, Death and Resurrection'', p. 214. {{ISBN|978-0-312-36624-7}}.</ref>