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
Thus he voluntarily abandoned Thurii; Locri was, on the suggestion of Publius Scipio, recaptured by an expedition from Rhegium (549). As if at last his projects were to receive a brilliant justification at the hands of the very Carthaginian authorities who had thwarted him in them, these now, in their apprehension as to the anticipated landing of the Romans, revived of their own accord those plans (548, 549), and sent reinforcements and subsidies to Hannibal in Italy, and to Mago in Spain, with orders to rekindle the war in Italy so as to achieve some further respite for the trembling possessors of the Libyan country houses and the shops of Carthage.
An embassy was likewise sent to Macedonia, to induce Philip to renew the alliance and to land in Italy (549). But it was too late. Philip had made peace with Rome some months before; the impending political annihilation of Carthage was far from agreeable to him, but he took no step openly at least against Rome. A small Macedonian corps went to Africa, the expenses of which, according to the assertion of the Romans, were defrayed by Philip from his own pocket; this may have been the case, but the Romans had at any rate no proof of it, as the subsequent course of events showed. No Macedonian landing in Italy was thought of.
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Reference address : https://www.ellopos.net/elpenor/rome/3-06-war-hannibal-cannae-zama.asp?pg=76