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
That the Latins--which term now denoted the few towns in old Latium that were not included in the Roman burgess-union, such as Tibur and Praeneste, the allied cities placed in law on the same footing with them, such as several of the Hernican towns, and the Latin colonies dispersed throughout Italy--were still at this time in a better position, is implied in their very name; but they too had, in proportion, hardly less deteriorated.
The burdens imposed on them were unjustly increased, and the pressure of military service was more and more devolved from the burgesses upon them and the other Italian allies. For instance, in 536, nearly twice as many of the allies were called out as of the burgesses: after the end of the Hannibalic war all the burgesses received their discharge, but not all the allies; the latter were chiefly employed for garrison duty and for the odious service in Spain; in the triumphal largess of 577 the allies received not as formerly an equal share with the burgesses, but only the half, so that amidst the unrestrained rejoicing of that soldiers' carnival the divisions thus treated as inferior followed the chariot of victory in sullen silence: in the assignations of land in northern Italy the burgesses received ten jugera of arable land each, the non-burgesses three -jugera- each.
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Reference address : https://www.ellopos.net/elpenor/rome/3-11-government-governed.asp?pg=32