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 still resisting Cretan communities, however, who had seen their subdued countrymen taken to task by Metellus with the most cruel severity and had learned on the other hand the gentle terms which Pompeius was in the habit of imposing on the townships which surrendered to him in the south of Asia Minor, preferred to give in their joint surrender to Pompeius. He accepted it in Pamphylia, where he was just at the moment, from their envoys, and sent along with them his legate Lucius Octavius to announce to Metellus the conclusion of the conventions and to take over the towns. This proceeding was, no doubt, not like that of a colleague; but formal right was wholly on the side of Pompeius, and Metellus was most evidently in the wrong when, utterly ignoring the convention of the cities with Pompeius, he continued to treat them as hostile.
In vain Octavius protested; in vain, as he had himself come without troops, he summoned from Achaia Lucius Sisenna, the lieutenant of Pompeius stationed there; Metellus, not troubling himself about either Octavius or Sisenna, besieged Eleutherna and took Lappa by storm, where Octavius in person was taken prisoner and ignominiously dismissed, while the Cretans who were taken with him were consigned to the executioner. Accordingly formal conflicts took place between the troops of Sisenna, at whose head Octavius placed himself after that leader's death, and those of Metellus; even when the former had been commanded to return to Achaia, Octavius continued the war in concert with the Cretan Aristion, and Hierapytna, where both made a stand, was only subdued by Metellus after the most obstinate resistance.
In reality the zealous Optimate Metellus had thus begun formal civil war at his own hand against the generalissimo of the democracy. It shows the indescribable disorganization in the Roman state, that these incidents led to nothing farther than a bitter correspondence between the two generals, who a couple of years afterwards were sitting once more peacefully and even "amicably" side by side in the senate.
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Reference address : https://www.ellopos.net/elpenor/rome/5-04-pompeius-east.asp?pg=5