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
To the northern province in the following year (602) the senate sent considerable reinforcements and a new commander-in-chief in the place of the incapable Nobilior, the consul Marcus Claudius Marcellus, who had already, when praetor in 586, distinguished himself in Spain, and had since that time given proof of his talents as a general in two consulships. His skilful leadership, and still more his clemency, speedily changed the position of affairs: Ocilis at once surrendered to him; and even the Arevacae, confirmed by Marcellus in the hope that peace would be granted to them on payment of a moderate fine, concluded an armistice and sent envoys to Rome.
Marcellus could thus proceed to the southern province, where the Vettones and Lusitanians had professed submission to the praetor Marcus Atilius so long as he remained within their bounds, but after his departure had immediately revolted afresh and chastised the allies of Rome. The arrival of the consul restored tranquillity, and, while he spent the winter in Corduba, hostilities were suspended throughout the peninsula. Meanwhile the question of peace with the Arevacae was discussed at Rome.
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Reference address : https://www.ellopos.net/elpenor/rome/4-01-gracchi.asp?pg=8