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
Philip, on learning this, voluntarily abandoned his position and retreated in an easterly direction: whether he did so in order to repel the probably unexpected invasion of the Aetolians, or to draw the Roman army after him with a view to its destruction, or to take either of these courses according to circumstances, cannot well be determined.
He managed his retreat so dexterously that Galba, who adopted the rash resolution of following him, lost his track, and Philip was enabled to reach by a flank movement, and to occupy, the narrow pass which separates the provinces of Lyncestis and Eordaea, with the view of awaiting the Romans and giving them a warm reception there.
A battle took place on the spot which he had selected; but the long Macedonian spears proved unserviceable on the wooded and uneven ground. The Macedonians were partly turned, partly broken, and lost many men.
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Reference address : https://www.ellopos.net/elpenor/rome/3-08-second-macedonian-war.asp?pg=46