It was uncommon and controversial for a woman to become a ruler in an Islamic state, whether as a monarch or as regent.
Ibn al-Athir quoted Muhammad saying "No people will succeed if they have a woman as their ruler.
In 1220, the Mongols invaded Caucasus, and laid siege to Maragha in April 1221.
Sulafa Khatun was besieged in the citatel of Ru'in Diz, which she successfully defended against the Mongols.
She divorced her spouse Ozberg, was obliged to marry Jalal al-Din Mangburni and abdicated her power to him, thus ending the Maragha state.