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 consent of the Samnites to treat is explained by the energetic exertions made about this very period by the Tarentines to get quit of their Sabellian neighbours. But the Romans also had good reason for coming to terms as quickly as possible with the Samnites; for the impending transition of the region bordering on the south of Latium into the possession of the Romans converted the ferment that had long existed among the Latins into open insurrection.
All the original Latin towns, even the Tusculans who had been received into the burgess-union of Rome, took up arms against Rome, with the single exception of the Laurentes, whereas of the colonies founded beyond the bounds of Latium only the old Volscian towns Velitrae, Antium, and Tarracina adhered to the revolt. We can readily understand how the Capuans, notwithstanding their very recent and voluntarily offered submission to the Romans, should readily embrace the first opportunity of again ridding themselves of the Roman rule and, in spite of the opposition of the optimate party that adhered to the treaty with Rome, should make common cause with the Latin confederacy, whereas the still independent Volscian towns, such as Fundi and Formiae, and the Hernici abstained like the Campanian aristocracy from taking part in this revolt.
The position of the Romans was critical; the legions which had crossed the Liris and occupied Campania were cut off by the revolt of the Latins and Volsci from their home, and a victory alone could save them. The decisive battle was fought near Trifanum (between Minturnae, Suessa, and Sinuessa) in 414; the consul Titus Manlius Imperiosus Torquatus achieved a complete victory over the united Latins and Campanians.
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Reference address : https://www.ellopos.net/elpenor/rome/2-05-subjugation-latins-campanians.asp?pg=31