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
The Rhodian Hansa and Pergamus Oppose Philip
But even had this not been so, the interests of all Greek commercial cities were at stake. They could not possibly allow the mild and almost purely nominal Egyptian rule to be supplanted by the Macedonian despotism, with which urban self-government and freedom of commercial intercourse were not at all compatible; and the fearful treatment of the Cians showed that the matter at stake was not the right of confirming the charters of the towns, but the life or death of one and all. Lampsacus had already fallen, and Thasos had been treated like Cius; no time was to be lost.
Theophiliscus, the vigilant -strategus- of Rhodes, exhorted his citizens to meet the common danger by common resistance, and not to suffer the towns and islands to become one by one a prey to the enemy. Rhodes resolved on its course, and declared war against Philip. Byzantium joined it; as did also the aged Attalus king of Pergamus, personally and politically the enemy of Philip. While the fleet of the allies was mustering on the Aeolian coast, Philip directed a portion of his fleet to take Chios and Samos.
With the other portion he appeared in person before Pergamus, which however he invested in vain; he had to content himself with traversing the level country and leaving the traces of Macedonian valour on the temples which he destroyed far and wide. Suddenly he departed and re-embarked, to unite with his squadron which was at Samos.
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Reference address : http://www.ellopos.net/elpenor/rome/3-08-second-macedonian-war.asp?pg=24