While Ogodei reigned as Great Khan, for long periods of time he was too drunk to lead the empire, and he gradually conveyed administrative power to Toregene, the most capable, although not the senior, wife. At his death in 1241, she became the official regent. For the next ten years, until 1251, she and a small group of other women controlled the largest empire in world history. None of the women had been born a Mongol but had instead been married into the family from a conquered steppe tribe, and most of the women were Christians.
