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
When they learned this, the magistrates of Minturnae were ashamed that the deliverer of Rome should meet with greater reverence from slaves to whom he had brought bondage than from his fellow-citizens to whom he had brought freedom; they loosed his fetters, gave him a vessel and money for travelling expenses, and sent him to Aenaria (Ischia). The proscribed with the exception of Sulpicius gradually met in those waters; they landed at Eryx and at what was formerly Carthage, but the Roman magistrates both in Sicily and in Africa sent them away.
So they escaped to Numidia, whose desert sand-dunes gave them a place of refuge for the winter. But the king Hiempsal II, whom they hoped to gain and who had seemed for a while willing to unite with them, had only done so to lull them into security, and now attempted to seize their persons. With great difficulty the fugitives escaped from his cavalry, and found a temporary refuge in the little island of Cercina (Kerkena) on the coast of Tunis. We know not whether Sulla thanked his fortunate star that he had been spared the odium of putting to death the victor of the Cimbrians; at any rate it does not appear that the magistrates of Minturnae were punished.
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Reference address : https://www.ellopos.net/elpenor/rome/4-07-sulpician-revolution.asp?pg=72