and power as a loyal ally and it played a significant role in the campaigning and theatre of operation during the Roman civil wars. During the Third Macedonian War about 300 Thessalian cavalry fought alongside Rome. The Thessalian League was one of the several Greek leagues the Roman tolerated until 146 BCE, when the Roman commander Mummius razed the city of Corinth to the ground, disbanded the leagues, and informally reduced Greece to provincial status. References Military history of ancient Greece Greek city-state federations League History of Larissa