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
On the other hand, afterwards as formerly, no stronger contingent could be demanded from the Latin confederacy as a whole than was furnished by the Roman community; and the Roman commander-in-chief was likewise bound not to break up the Latin contingents, but to keep the contingent sent by each community as a separate division of the army under the leader whom that community had appointed.(5)
5. These were the -decuriones turmarum- and -praefecti cohortium- (Polyb. vi. 21, 5; Liv. xxv. 14; Sallust. Jug. 69, et al.) Of course, as the Roman consuls were in law and ordinarily also in fact commanders-in-chief, the presidents of the community in the dependent towns also were perhaps throughout, or at least very frequently, placed at the head of the community-contingents (Liv. xxiii. 19; Orelli, Inscr. 7022). Indeed, the usual name given to the Latin magistrates (-praetores-) indicates that they were officers.
The right of the Latin confederacy to an equal share in the moveable spoil and in the conquered land continued to subsist in form; in reality, however, the substantial fruits of war beyond doubt went, even at an early period, to the leading state. Even in the founding of the federal fortresses or the so-called Latin colonies as a rule presumably most, and not unfrequently all, of the colonists were Romans; and although by the transference they were converted from Roman burgesses into members of an allied community, the newly planted township in all probability frequently retained a preponderant--and for the confederacy dangerous--attachment to the real mother-city.
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Reference address : https://www.ellopos.net/elpenor/rome/2-05-subjugation-latins-campanians.asp?pg=4