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
Messengers in all haste summoned the governor of the adjoining province of the Ebro, Marcus Domitius Calvinus, to check the farther advance of the Sertorians; and there soon appeared (675) also the experienced general Quintus Metellus, sent by Sulla to relieve the incapable Fufidius in southern Spain. But they did not succeed in mastering the revolt. In the Ebro province not only was the army of Calvinus destroyed and he himself slain by the lieutenant of Sertorius, the quaestor Lucius Hirtuleius, but Lucius Manlius, the governor of Transalpine Gaul, who had crossed the Pyrenees with three legions to the help of his colleague, was totally defeated by the same brave leader. With difficulty Manlius escaped with a few men to Ilerda (Lerida) and thence to his province, losing on the march his whole baggage through a sudden attack of the Aquitanian tribes.
In Further Spain Metellus penetrated into the Lusitanian territory; but Sertorius succeeded during the siege of Longobriga (not far from the mouth of the Tagus) in alluring a division under Aquinus into an ambush, and thereby compelling Metellus himself to raise the siege and to evacuate the Lusitanian territory. Sertorius followed him, defeated on the Anas (Guadiana) the corps of Thorius, and inflicted vast damage by guerilla warfare on the army of the commander-in- chief himself. Metellus, a methodical and somewhat clumsy tactician, was in despair as to this opponent, who obstinately declined a decisive battle, but cut off his supplies and communications and constantly hovered round him on all sides.
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Reference address : https://www.ellopos.net/elpenor/rome/5-01-lepidus-sertorius.asp?pg=27