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
Egypt had an urgent interest in keeping the Roman fleet out of the eastern waters; even now an Egyptian embassy intimated at Rome very plainly, that the court of Alexandria was ready to relieve the Romans from the trouble of intervention in Attica. But the treaty for the partition of Egypt concluded between Asia and Macedonia threw that important state thoroughly into the arms of Rome, and compelled the cabinet of Alexandria to declare that it would only intermeddle in the affairs of European Greece with consent of the Romans.
The Greek commercial cities, with Rhodes, Pergamus, and Byzantium at their head, were in a position similar, but of still greater perplexity. They would under other circumstances have beyond doubt done what they could to close the eastern seas against the Romans; but the cruel and destructive policy of conquest pursued by Philip had driven them to an unequal struggle, in which for their self-preservation they were obliged to use every effort to implicate the great Italian power. In Greece proper also the Roman envoys, who were commissioned to organize a second league against Philip there, found the way already substantially paved for them by the enemy.
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Reference address : https://www.ellopos.net/elpenor/rome/3-08-second-macedonian-war.asp?pg=38