He lost his power over Persia in a battle against the Mongols in the Alborz Mountains and fled to the Caucasus and captured Azerbaijan in 1225, setting up his capital at Tabriz.
He lost his power over Persia in a battle against the Mongols in the Alborz Mountains. He was setting up his capital at Tabriz. He fled to the Caucasus and captured Azerbaijan in 1225. He was setting up his capital at Tabriz.