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
As to the Pergamene fleet, the king, after having paid his respects to the consul, went home with it at the same time that the Roman fleet went into winter quarters. The story about corruption was as certainly a fable as any newspaper canard of the present day; for that the rich, cunning, and consistent Attalid, who had primarily occasioned the breach between Rome and Macedonia by his journey in 582 and had been on that account wellnigh assassinated by the banditti of Perseus, should--at the moment when the real difficulties of a war, of whose final issue, moreover, he could never have had any serious doubt, were overcome--have sold to the instigator of the murder his share in the spoil for a few talents, and should have perilled the work of long years for so pitiful a consideration, may be set down not merely as a fabrication, but as a very silly one.
That no proof was found either in the papers of Perseus or elsewhere, is sufficiently certain; for even the Romans did not venture to express those suspicions aloud, But they gained their object. Their wishes appeared in the behaviour of the Roman grandees towards Attalus, the brother of Eumenes, who had commanded the Pergamene auxiliary troops in Greece. Their brave and faithful comrade was received in Rome with open arms and invited to ask not for his brother, but for himself--the senate would be glad to give him a kingdom of his own. Attalus asked nothing but Aenus and Maronea.
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Reference address : https://www.ellopos.net/elpenor/rome/3-10-third-macedonian-war.asp?pg=39