RISE OF GHENGIS (Chinggis) KHAN
After the migration of the Jurchen, the Borjigin Mongols had emerged in central Mongolia as the leading clan of a loose federation. The principal Borjigin Mongol leader, Kabul Khan, began a series of raids into Jin in 1135. In 1162 (some historians say 1167), Temujin, the first son of Mongol chieftain Yesugei, and grandson of Kabul, was born. Yesugei, who was chief of the Kiyat subclan of the Borjigin Mongols, was killed by neighboring Tatars in 1175, when Temujin was only twelve years old. The Kiyat rejected the boy as their leader and chose one of his kin instead. Temujin and his immediate family were abandoned and apparently left to die in a semi-desert, mountainous region.
Temujin did not die, however. In a dramatic struggle described in The Secret History of the Mongols, Temujin, by the age of twenty, had become the leader of the Kiyat subclan and by 1196, the unquestioned chief of the Borjigin Mongols. Sixteen y...