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 receiving news of this invasion, Philip immediately in vehement indignation started from Demetrias in Thessaly for Chalcis, and when he found no trace of the enemy there save the scene of ruin, he went on to Athens to retaliate.
But his attempt to surprise the city was a failure, and even the assault was in vain, greatly as the king exposed his life; the approach of Gaius Claudius from the Piraeeus, and of Attalus from Aegina, compelled him to depart. Philip still tarried for some time in Greece; but in a political and in a military point of view his successes were equally insignificant. In vain he tried to induce the Achaeans to take up arms in his behalf; and equally fruitless were his attacks on Eleusis and the Piraeeus, as well as a second attempt on Athens itself.
Nothing remained for him but to gratify his natural exasperation in an unworthy manner by laying waste the country and destroying the trees of Academus, and then to return to the north.
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Reference address : https://www.ellopos.net/elpenor/rome/3-08-second-macedonian-war.asp?pg=42