Treaty of Gulistan
With Abbas Mirza as the military commander of the Persian forces, Iran lost all of its territories in the Caucasus comprising Transcaucasia and parts of the North Caucasus (Dagestan) to Russia in conformity with the 1813 Treaty of Gulistan and the 1828 Treaty of Turkmenchay, following the outcomes of the 1804–1813 and 1826–1828 wars.