セウェルス朝
In the 190s, Palmyra was assigned to the province of Phoenice, newly created by the Severan dynasty. Toward the end of the second century, Palmyra began a steady transition from a traditional Greek city-state to a monarchy due to the increasing militarization of the city and the deteriorating economic situation; the Severan ascension to the imperial throne in Rome played a major role in Palmyra's transition: