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
If he should hereafter, on returning
from the east once more victorious and with increased glory,
with well-filled chests, and with troops ready for battle and devoted
to his cause, stretch forth his hand to seize the crown--who would
then arrest his arm? Was the consular Quintus Catulus, forsooth,
to summon forth the senators against the first general of his time
and his experienced legions? or was the designated aedile Gaius Caesar
to call forth the civic multitude, whose eyes he had just feasted
on his three hundred and twenty pairs of gladiators with their silver
equipments?
Soon, exclaimed Catulus, it would be necessary once
more to flee to the rocks of the Capitol, in order to save liberty.
It was not the fault of the prophet, that the storm came not,
as he expected, from the east, but that on the contrary fate,
fulfilling his words more literally than he himself anticipated,
brought on the destroying tempest a few years later from Gaul.