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
The Leaders of the Republicans Put to Death
Of the other fugitive leaders only a few escaped. The cavalry that fled from Thapsus encountered the bands of Sittius, and were cut down or captured by them; their leaders Afranius and Faustus were delivered up to Caesar, and, when the latter did not order their immediate execution, they were slain in a tumult by his veterans. The commander-in-chief Metellus Scipio with the fleet of the defeated party fell into the power of the cruisers of Sittius and, when they were about to lay hands on him, stabbed himself. King Juba, not unprepared for such an issue, had in that case resolved to die in a way which seemed to him befitting a king, and had caused an enormous funeral pile to be prepared in the market-place of his city Zama, which was intended to consume along with his body all his treasures and the dead bodies of the whole citizens of Zama.
But the inhabitants of the town showed no desire to let themselves be employed by way of decoration for the funeral rites of the African Sardanapalus; and they closed the gates against the king when fleeing from the battle-field he appeared, accompanied by Marcus Petreius, before their city. The king--one of those natures that become savage amidst a life of dazzling and insolent enjoyment, and prepare for themselves even out of death an intoxicating feast-- resorted with his companion to one of his country houses, caused a copious banquet to be served up, and at the close of the feast challenged Petreius to fight him to death in single combat. It was the conqueror of Catilina that received his death at the hand of the king; the latter thereupon caused himself to be stabbed by one of his slaves. The few men of eminence that escaped, such as Labienus and Sextus Pompeius, followed the elder brother of the latter to Spain and sought, like Sertorius formerly, a last refuge of robbers and pirates in the waters and the mountains of that still half-independent land.
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Reference address : https://www.ellopos.net/elpenor/rome/5-10-brundisium-pharsalus-thapsus.asp?pg=133