Could people please sign their comments Actual Genghis Khan did wage at least one war of genocide against the Tanguts The Secret History says of this The Conqueror of the world had for his funeral rites the massacre of an entire people See for example Grousset Rene Conqueror of the World translated from French by M McKellar and D Sinor Orion Press New York 1966 and R J Rummel s site 6 July 2005 03 21 UTC