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
At the same time an attack was directed from Macedonia against the Scordisci, who had, it may be presumed, made common cause with the assailed inhabitants of the coast. Soon afterwards (625) the consul Tuditanus in connection with the able Decimus Brutus, the conqueror of the Spanish Callaeci, humbled the Japydes, and, after sustaining a defeat at the outset, at length carried the Roman arms into the heart of Dalmatia as far as the river Kerka, 115 miles distant from Aquileia; the Japydes thenceforth appear as a nation at peace and on friendly terms with Rome.
But ten years later (635) the Dalmatians rose afresh, once more in concert with the Scordisci. While the consul Lucius Cotta fought against the latter and in doing so advanced apparently as far as Segestica, his colleague Lucius Metellus afterwards named Dalmaticus, the elder brother of the conqueror of Numidia, marched against the Dalmatians, conquered them and passed the winter in Salona (Spalato), which town henceforth appears as the chief stronghold of the Romans in that region.
It is not improbable that the construction of the Via Gabinia, which led from Salona in an easterly direction to Andetrium (near Much) and thence farther into the interior, falls within this period.
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Reference address : https://www.ellopos.net/elpenor/rome/4-05-peoples-north.asp?pg=20