Death of Genghis Khan in battle against the Western Xia Dynasty (China) in _______ ?

A. 1226
B. 1227
C. 1229
D. None of these

In August 1227, during the fall of Yinchuan, Genghis Khan died. The exact cause of his death remains a mystery, and is variously attributed to being killed in action by Western Xia, falling from his horse, illness, or wounds sustained in hunting or battle.