After the fall of the Achaemenid Empire, the former Satrapy of Armenia was divided in about 120 clan territories. After the destruction of the Seleucid Empire, a Helenistic Greek successor state of Alexander the Great's short-lived empire, a Hellenistic Armenian state was founded in 190 BC by Artaxias I. At its height, from 95 to 66 BC, Armenia extended its rule through areas of the Caucasus and the area that is now eastern Turkey, Syria and Lebanon. Armenia was one of the weakest states in the Roman East. It was under the Roman sphere of influence in 66 BC.