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 Romans Maintain a Standing Army in Spain - Cato - Gracchus
The territory which the Romans acquired in Spain in the course of the second Punic war was from the beginning divided into two masses--the province formerly Carthaginian, which embraced in the first instance the present districts of Andalusia, Granada, Murcia, and Valencia, and the province of the Ebro, or the modern Arragon and Catalonia, the fixed quarters of the Roman army during the last war. Out of these territories were formed the two Roman provinces of Further and Hither Spain.
The Romans sought gradually to reduce to subjection the interior corresponding nearly to the two Castiles, which they comprehended under the general name of Celtiberia, while they were content with checking the incursions of the inhabitants of the western provinces, more especially those of the Lusitanians in the modern Portugal and the Spanish Estremadura, into the Roman territory; with the tribes on the north coast, the Callaecians, Asturians, and Cantabrians, they did not as yet come into contact at all.
The territories thus won, however, could not be maintained and secured without a standing garrison, for the governor of Hither Spain had no small trouble every year with the chastisement of the Celtiberians, and the governor of the more remote province found similar employment in repelling the Lusitanians.
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Reference address : https://www.ellopos.net/elpenor/rome/3-07-peace-hannibal-third-period.asp?pg=30