132 BC to 214), under twenty-eight rulers, who sometimes called themselves "king" on their coinage. Edessa was at first more or less under the protectorate of the Parthians, then of Tigranes of Armenia, Edessa was Armenian Mesopotamia's capital city, then from the time of Pompey under the Roman Empire. Following its capture and sack by Trajan, the Romans even occupied Edessa from 116 to 118, although its sympathies towards the Parthians led to Lucius Verus pillaging the city later in the 2nd century.