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
Subdivision of the Armies on Either Side
The conduct of the war was very difficult both for the insurgents and for the Romans, because the territory in revolt was very extensive and a great number of fortresses adhering to Rome were scattered up and down in it: so that on the one hand the insurgents found themselves compelled to combine a siege-warfare, which broke up their forces and consumed their time, with the protection of an extended frontier; and on the other hand the Romans could not well do otherwise than combat the insurrection, which had no proper centre, simultaneously in all the insurgent districts.
In a military point of view the insurgent country fell into two divisions; in the northern, which reached from Picenum and the Abruzzi to the northern border of Campania and embraced the districts speaking Latin, the chief command was held on the Italian side by the Marsian Quintus Silo, on the Roman side by Publius Rutilius Lupus, both as consuls; in the southern, which included Campania, Samnium, and generally the regions speaking Sabellian, the Samnite Gaius Papius Mutilus commanded as consul of the insurgents, and Lucius Julius Caesar as the Roman consul.
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Reference address : https://www.ellopos.net/elpenor/rome/4-07-sulpician-revolution.asp?pg=26