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
Sulla's leading reforms were of a threefold character. First, he very considerably increased the number of the jury-courts. There were henceforth separate judicial commissions for exactions; for murder, including arson and perjury; for bribery at elections; for high treason and any dishonour done to the Roman name; for the most heinous cases of fraud--the forging of wills and of money; for adultery; for the most heinous violations of honour, particularly for injuries to the person and disturbance of the domestic peace; perhaps also for embezzlement of public moneys, for usury and other crimes; and at least the greater number of these courts were either found in existence or called into life by Sulla, and were provided by him with special ordinances setting forth the crime and form of criminal procedure.
The government, moreover, was not deprived of the right to appoint in case of emergency special courts for particular groups of crimes. As a result of these arrangements, the popular tribunals were in substance done away with, processes of high treason in particular were consigned to the new high treason commission, and the ordinary jury procedure was considerably restricted, for the more serious falsifications and injuries were withdrawn from it. Secondly, as respects the presidency of the courts, six praetors, as we have already mentioned, were now available for the superintendence of the different jury-courts, and to these were added a number of other directors in the care of the commission which was most frequently called into action--that for dealing with murder. Thirdly, the senators were once more installed in the office of jurymen in room of the Gracchan equites.
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Reference address : http://www.ellopos.net/elpenor/rome/4-10-sullan-constitution.asp?pg=46