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
They compelled the Byzantines, for instance, by force of arms to concede to the vessels of Rhodes exemption from dues in the Bosporus; and they did not permit the dynast of Pergamus to close the Black Sea. On the other hand they kept themselves, as far as possible, aloof from land warfare, although they had acquired no inconsiderable possessions on the opposite coast of Caria; where war could not be avoided, they carried it on by means of mercenaries.
With their neighbours on all sides they were in friendly relations--with Syracuse, Macedonia, Syria, but more especially with Egypt--and they enjoyed high consideration at these courts, so that their mediation was not unfrequently invoked in the wars of the great states. But they interested themselves quite specially on behalf of the Greek maritime cities, which were so numerously spread along the coasts of the kingdoms of Pontus, Bithynia, and Pergamus, as well as on the coasts and islands of Asia Minor that had been wrested by Egypt from the Seleucidae; such as Sinope, Heraclea Pontica, Cius, Lampsacus, Abydos, Mitylene, Chios, Smyrna, Samos, Halicarnassus and various others.
All these were in substance free and had nothing to do with the lords of the soil except to ask for the confirmation of their privileges and, at most, to pay a moderate tribute: such encroachments, as from time to time were threatened by the dynasts, were skilfully warded off sometimes by cringing, sometimes by strong measures.
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Reference address : https://www.ellopos.net/elpenor/rome/3-08-second-macedonian-war.asp?pg=16