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
With each of the two commanders-in-chief there were associated on the Italian side six, on the Roman side five, lieutenant-commanders, each of whom conducted the attack or defence in a definite district, while the consular armies were destined to act more freely and to strike the decisive blow. The most esteemed Roman officers, such as Gaius Marius, Quintus Catulus, and the two consulars of experience in the Spanish war, Titus Didius and Publius Crassus, placed themselves at the disposal of the consuls for these posts; and though the Italians had not names so celebrated to oppose to them, yet the result showed that their leaders were in a military point of view nowise inferior to the Romans.
The offensive in this thoroughly desultory war was on the whole on the side of the Romans, but was nowhere decisively assumed even on their part. It is surprising that the Romans did not collect their troops for the purpose of attacking the insurgents with a superior force, and that the insurgents made no attempt to advance into Latium and to throw themselves on the hostile capital. We are how ever too little acquainted with their respective circumstances to judge whether or how they could have acted otherwise, or to what extent the remissness of the Roman government on the one hand and the looseness of the connection among the federate communities on the other contributed to this want of unity in the conduct of the war. It is easy to see that with such a system there would doubtless be victories and defeats, but the final settlement might be very long delayed; and it is no less plain that a clear and vivid picture of such a war--which resolved itself into a series of engagements on the part of individual corps operating at the same time, sometimes separately, sometimes in combination--cannot be prepared out of the remarkably fragmentary accounts which have come down to us.
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Reference address : https://www.ellopos.net/elpenor/rome/4-07-sulpician-revolution.asp?pg=27