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
Thirteen quinqueremes of the enemy on their voyage to Lemnos, under Isidorus, were assailed and sunk off the Achaean harbour in the waters between the Trojan coast and the island of Tenedos. At the small island of Neae, between Lemnos and Scyros, at which little-frequented point the Pontic flotilla of thirty-two sail lay drawn up on the shore, Lucullus found it, immediately attacked the ships and the crews scattered over the island, and possessed himself of the whole squadron. Here Marcus Marius and the ablest of the Roman emigrants met their death, either in conflict or subsequently by the axe of the executioner. The whole Aegean fleet of the enemy was annihilated by Lucullus.
The war in Bithynia was meanwhile continued by Cotta and by the legates of Lucullus, Voconius, Gaius Valerius Triarius, and Barba, with the land army reinforced by fresh arrivals from Italy, and a squadron collected in Asia. Barba captured in the interior Prusias on Olympus and Nicaea while Triarius along the coast captured Apamea (formerly Myrlea) and Prusias on the sea (formerly Cius). They then united for a joint attack on Mithradates himself in Nicomedia; but the king without even attempting battle escaped to his ships and sailed homeward, and in this he was successful only because the Roman admiral Voconius, who was entrusted with the blockade of the port of Nicomedia, arrived too late.
On the voyage the important Heraclea was indeed betrayed to the king and occupied by him; but a storm in these waters sank more than sixty of, his ships and dispersed the rest; the king arrived almost alone at Sinope. The offensive on the part of Mithradates ended in a complete defeat--not at all honourable, least of all for the supreme leader--of the Pontic forces by land and sea.
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Reference address : https://www.ellopos.net/elpenor/rome/5-02-rule-sullan-restoration.asp?pg=34