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
Elevation of the Municipal System
Lastly while the government thus energetically applied itself to remove the diseased, and to strengthen the sound, elements of the Italian national life, the newly-regulated municipal system-- which had but recently developed itself out of the crisis of the Social war in and alongside of the state-economy(76)--was intended to communicate to the new absolute monarchy the communal life which was compatible with it, and to impart to the sluggish circulation of the noblest elements of public life once more a quickened action.
76. Cf. IV. X. The Roman Municipal System
The leading principles in the two municipal ordinances issued in 705 for Cisalpine Gaul and in 709 for Italy,(77) the latter of which remained the fundamental law for all succeeding times, are apparently, first, the strict purifying of the urban corporations from all immoral elements, while yet no trace of political police occurs; secondly, the utmost restriction of centralization and the utmost freedom of movement in the communities, to which there was even now reserved the election of magistrates and an--although limited--civil and criminal jurisdiction.
77. Of both laws considerable fragments still exist.
The general police enactments, such as the restrictions on the right of association,(78) came, it is true, into operation also here.
78. Cf. V. XI. Diminution of the Proletariate
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Reference address : https://www.ellopos.net/elpenor/rome/5-11-old-republic-new-monarchy.asp?pg=134