" By the end of 1915 the Allies found the situation so menacing that the Russians, supported by the 8,000-strong Russian-officered Persian Cossacks, occupied the north of the country, taking over the capital city of Teheran and, with it, the weak, recently crowned young Shah. The most pro-German of the politicians fled, initially to the holy city of Qum, and later to Kermanshah, near the Ottoman frontier, where a German puppet government was established, backed by Ottoman troops. "

― David Fromkin , A Peace to End All Peace: The Fall of the Ottoman Empire and The Creation of the Modern Middle East