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
While formerly the organization of newly-acquired territories had been managed by a senatorial commission, Caesar organized his extensive Gallic conquests altogether according to his own judgment, and founded, for instance, without having received any farther full powers burgess-colonies, particularly Novum-Comum (Como) with five thousand colonists. Piso conducted the Thracian, Gabinius the Egyptian, Crassus the Parthian war, without consulting the senate, and without even reporting, as was usual, to that body; in like manner triumphs and other marks of honour were accorded and carried out, without the senate being asked about them. Obviously this did not arise from a mere neglect of forms, which would be the less intelligible, seeing that in the great majority of cases no opposition from the senate was to be expected.
On the contrary, it was a well-calculated design to dislodge the senate from the domain of military arrangements and of higher politics, and to restrict its share of administration to financial questions and internal affairs; and even opponents plainly discerned this and protested, so far as they could, against this conduct of the regents by means of senatorial decrees and criminal actions. While the regents thus in the main set aside the senate, they still made some use of the less dangerous popular assemblies--care was taken that in these the lords of the street should put no farther difficulty in the way of the lords of the state; in many cases however they dispensed even with this empty shadow, and employed without disguise autocratic forms.
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Reference address : https://www.ellopos.net/elpenor/rome/5-08-pompeius-caesar.asp?pg=34