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
Italy and the Provinces Reduced to One Level
With this disappeared the first great practical distinction that separated Italy from the provinces; and the second--that ordinarily no troops were stationed in Italy, while they were stationed in the provinces--was likewise in the course of disappearing; troops were now stationed only where there was a frontier to be defended, and the commandants of the provinces in which this was not the case, such as Narbo and Sicily, were officers only in name.
The formal contrast between Italy and the provinces, which had at all times depended on other distinctions,(100) continued certainly even now to subsist, for Italy was the sphere of civil jurisdiction and of consuls and praetors, while the provinces were districts under the jurisdiction of martial law and subject to proconsuls and propraetors; but the procedure according to civil and according to martial law had for long been practically coincident, and the different titles of the magistrates signified little after the one Imperator was over all.
100. Cf. IV. II. The First Sicilian Slave War
In all these various municipal foundations and ordinances-- which are traceable at least in plan, if not perhaps all in execution, to Caesar--a definite system is apparent. Italy was converted from the mistress of the subject peoples into the mother of the renovated Italo-Greek nation. The Cisalpine province completely equalized with the mother-country was a promise and a guarantee that, in the monarchy of Caesar just as in the healthier times of the republic, every Latinized district might expect to be placed on an equal footing by the side of its elder sisters and of the mother herself.
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Reference address : https://www.ellopos.net/elpenor/rome/5-11-old-republic-new-monarchy.asp?pg=163