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
Maritime War - Mithradates Driven Back to Pontus
The consistent and discreet conduct of the war by Lucullus had not only repaired the errors of his colleague, but had also destroyed without a pitched battle the flower of the enemy's army-- it was said 200,000 soldiers. Had he still possessed the fleet which was burnt in the harbour of Chalcedon, he would have annihilated the whole army of his opponent. As it was, the work of destruction continued incomplete; and while he was obliged to remain passive, the Pontic fleet notwithstanding the disaster of Cyzicus took its station in the Propontis, Perinthus and Byzantium were blockaded by it on the European coast and Priapus pillaged on the Asiatic, and the headquarters of the king were established in the Bithynian port of Nicomedia.
In fact a select squadron of fifty sail, which carried 10,000 select troops including Marcus Marius and the flower of the Roman emigrants, sailed forth even into the Aegean; the report went that it was destined to effect a landing in Italy and there rekindle the civil war. But the ships, which Lucullus after the disaster off Chalcedon had demanded from the Asiatic communities, began to appear, and a squadron ran forth in pursuit of the enemy's fleet which had gone into the Aegean. Lucullus himself, experienced as an admiral,(13) took the command.
13. Cf. IV. VIII. Lucullus and the Fleet on the Asiatic Coast
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Reference address : https://www.ellopos.net/elpenor/rome/5-02-rule-sullan-restoration.asp?pg=33