With the Russian Empire still advancing south in the course of two wars against Persia, and the treaties of Turkmanchay and Golestan in the western frontiers, plus the unexpected death of Abbas Mirza in 1823, and the murder of Persia's Grand Vizier ("Mirza AbolQasem Qa'im Maqām"), Persia lost its traditional foothold in Central Asia." The Treaty of Akhal, in which the Qajarid's were forced to drop all claims on Central Asia and parts of Turkmenistan, topped off Persian losses to the global emerging power of Imperial Russia.