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
In the following year (545) the Romans took steps to regain possession of the second large city, which had passed over to Hannibal, the city of Tarentum. While Marcus Marcellus continued the struggle against Hannibal in person with his wonted obstinacy and energy, and in a two days' battle, beaten on the first day, achieved on the second a costly and bloody victory; while the consul Quintus Fulvius induced the already wavering Lucanians and Hirpinians to change sides and to deliver up their Phoenician garrisons; while well-conducted razzias from Rhegium compelled Hannibal to hasten to the aid of the hard-pressed Bruttians; the veteran Quintus Fabius, who had once more--for the fifth time--accepted the consulship and along with it the commission to reconquer Tarentum, established himself firmly in the neighbouring Messapian territory, and the treachery of a Bruttian division of the garrison surrendered to him the city.
Fearful excesses were committed by the exasperated victors. They put to death all of the garrison or of the citizens whom they could find, and pillaged the houses. 30,000 Tarentines are said to have been sold as slaves, and 3000 talents (730,000 pounds) are stated to have been sent to the state treasury. It was the last feat in arms of the general of eighty years; Hannibal arrived to the relief of the city when all was over, and withdrew to Metapontum.
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Reference address : https://www.ellopos.net/elpenor/rome/3-06-war-hannibal-cannae-zama.asp?pg=64