Lingwu Ningxia Huizu Zizhiqu (Nigsia Hui) China

Emperor Suzong of Tang ascends to the throne on August 12, 656, after his father Emperor Xuanzong abdicates.

…in November lays siege to Lingwu, a mere thirty kilometers from Yinchuan.

Here, in the Battle of Yellow River, Western Xia leads a counterattack with an estimated force of over three hundred thousand troops, engaging Mongol forces along the banks of the frozen river and canal systems.

The Mongols destroy the Western Xia troops, supposedly counting three hundred thousand bodies of Western Xia soldiers after the battle.