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
Thus the necessary and stated observances due to the gods of the community were entrusted once for all by the state to fixed colleges or regular ministers; and the expense of sacrifices, which was presumably not inconsiderable, was covered partly by the assignation of certain lands to particular temples, partly by the fines.(10)
10. Cf. I. V. Burdens of the Burgesses, and I. XI. Crimes
It cannot be doubted that the public worship of the other Latin, and presumably also of the Sabellian, communities was essentially similar in character. At any rate it can be shown that the Flamines, Salii, Luperci, and Vestales were institutions not special to Rome, but general among the Latins, and at least the first three colleges appear to have been formed in the kindred communities independently of the Roman model.
Lastly, as the state made arrangements for the cycle of its gods, so each burgess might make similar arrangements within his individual sphere, and might not only present sacrifices, but might also consecrate set places and ministers, to his own divinities.
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Reference address : https://www.ellopos.net/elpenor/rome/1-12-religion.asp?pg=15