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
In this respect the Roman township of Italica (near Seville) and the Latin colony of Carteia (on the bay Of Gibraltar) deserve mention--the latter being the first transmarine urban community of Latin tongue and Italian constitution. Italica was founded by the elder Scipio, before he left Spain (548), for his veterans who were inclined to remain in the peninsula--probably, however, not as a burgess-community, but merely as a market-place.(2)
2. Italica must have been intended by Scipio to be what was called in Italy forum et -conciliabulum civium Romanorum-; Aquae Sextiae in Gaul had a similar origin afterwards. The formation of transmarine burgess- communities only began at a later date with Carthage and Narbo: yet it is remarkable that Scipio already made a first step, in a certain sense, in that direction.
Carteia was founded in 583 and owed its existence to the multitude of camp-children--the offspring of Roman soldiers and Spanish slaves--who grew up as slaves de jure but as free Italians de facto, and were now manumitted on behalf of the state and constituted, along with the old inhabitants of Carteia, into a Latin colony. For nearly thirty years after the organizing of the province of the Ebro by Tiberius Sempronius Gracchus (575, 576)(3) the Spanish provinces, on the whole, enjoyed the blessings of peace undisturbed, although mention is made of one or two expeditions against the Celtiberians and Lusitanians.
3. Cf. III. VII. Gracchus
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Reference address : http://www.ellopos.net/elpenor/rome/4-01-gracchi.asp?pg=3