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
Culture of the Vine
That the culture of the vine was not introduced for the first time into Italy by Greek settlers,(9) is shown by the list of the festivals of the Roman community which reaches back to a time preceding the Greeks, and which presents three wine-festivals to be celebrated in honour of "father Jovis," not in honour of the wine-god of more recent times who was borrowed from the Greeks, the "father deliverer."
9. Cf. I. II. Agriculture
The very ancient legend which represents Mezentius king of Caere as levying a wine-tax from the Latins or the Rutuli, and the various versions of the widely-spread Italian story which affirms that the Celts were induced to cross the Alps in consequence of their coming to the knowledge of the noble fruits of Italy, especially of the grape and of wine, are indications of the pride of the Latins in their glorious vine, the envy of all their neighbours.
A careful system of vine-husbandry was early and generally inculcated by the Latin priests. In Rome the vintage did not begin until the supreme priest of the community, the -flamen- of Jupiter, had granted permission for it and had himself made a beginning; in like manner a Tusculan ordinance forbade the sale of new wine, until the priest had proclaimed the festival of opening the casks.
The early prevalence of the culture of the vine is likewise attested not only by the general adoption of wine-libations in the sacrificial ritual, but also by the precept of the Roman priests promulgated as a law of king Numa, that men should present in libation to the gods no wine obtained from uncut grapes; just as, to introduce the beneficial practice of drying the grain, they prohibited the offering of grain undried.
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Reference address : https://www.ellopos.net/elpenor/rome/1-13-agriculture-trade-commerce.asp?pg=7