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
We have already called attention(46) to
the fact that the southern Sabellian stocks, although at the outset in
concert with the tyrants of Syracuse they crushed and destroyed the
Hellenism of Magna Graecia, were at the same time affected by contact
and mingling with the Greeks, so that some of them, such as the
Bruttians and Nolans, adopted the Greek language by the side of their
native tongue, and others, such as the Lucanians and a part of the
Campanians, adopted at least Greek writing and Greek manners.
Etruria
likewise showed tendencies towards a kindred development in the
remarkable vases which have been discovered(47) belonging to this
period, rivalling those of Campania and Lucania; and though Latium and
Samnium remained more strangers to Hellenism, there were not wanting
there also traces of an incipient and ever-growing influence of Greek
culture.