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
Their
privileged position there rendered the Roman language and the Roman
law privileged also, even where Romans were not merely transacting
business with each other.(2)
Everywhere the Italians kept together
as compact and organized masses, the soldiers in their legions, the
merchants of every larger town as special corporations, the Roman
burgesses domiciled or sojourning in the particular provincial
court-district as "circuits" (-conventus civium Romanorum-) with
their own list of jurymen and in some measure with a communal
constitution; and, though these provincial Romans ordinarily
returned sooner or later to Italy, they nevertheless gradually
laid the foundations of a fixed population in the provinces,
partly Roman, partly mixed, attaching itself to the Roman settlers.
