Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
On the other hand the western Roman army took some Illyrian towns, and the consul busied himself in clearing Thessaly of the Macedonian garrisons and making sure of the turbulent Aetolians and Acarnanians by occupying Ambracia. But the heroic courage of the Romans was most severely felt by the unfortunate Boeotian towns which took part with Perseus; the inhabitants as well of Thisbae, which surrendered without resistance as soon as the Roman admiral Gaius Lucretius appeared before the city, as of Haliartus, which closed its gates against him and had to be taken by storm, were sold by him into slavery; Corcnea was treated in the same manner by the consul Crassus in spite even of its capitulation.
Never had a Roman army exhibited such wretched discipline as the force under these commanders. They had so disorganized the army that, even in the next campaign of 584, the new consul Aulus Hostilius could not think of undertaking anything serious, especially as the new admiral Lucius Hortensius showed himself to be as incapable and unprincipled as his predecessor. The fleet visited the towns on the Thracian coast without result. The western army under Appius Claudius, whose headquarters were at Lychnidus in the territory of the Dassaretae, sustained one defeat after another: after an expedition to Macedonia had been utterly unsuccessful, the king in turn towards the beginning of winter assumed the aggressive with the troops which were no longer needed on the south frontier in consequence of the deep snow blocking up all the passes, took from Appius numerous townships and a multitude of prisoners, and entered into connections with king Genthius; he was able in fact to attempt an invasion of Aetolia, while Appius allowed himself to be once more defeated in Epirus by the garrison of a fortress which he had vainly besieged.
The Roman main army made two attempts to penetrate into Macedonia: first, ovei the Cambunian mountains, and then through the Thessalian passes; but they were negligently planned, and both were repulsed by Perseus.
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