On 25 September 1829, he successfully compelled the Turkish commander Aslan Bey to capitulate at the Pass of Petra (Battle of Petra), thus ending the active operations of the war.
Am 25. September 1829 zwang er den türkischen Offizier Aslan Bey in der Schlacht von Petra zur Kapitulation und beendete damit die aktiven Kämpfe des Krieges.