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 Carthaginian Government and the Barcides
So far as Carthage was concerned, the Barcides were allowed to go on. Since the citizens were not asked for regular contributions, but on the contrary some benefit accrued to them and commerce recovered in Spain what it had lost in Sicily and Sardinia, the Spanish war and the Spanish army with its brilliant victories and important successes soon became so popular that it was even possible in particular emergencies, such as after Hamilcar's fall, to effect the despatch of considerable reinforcements of African troops to Spain; and the governing party, whether well or ill affected, had to maintain silence, or at any rate to content themselves with complaining to each other or to their friends in Rome regarding the demagogic officers and the mob.
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Reference address : https://www.ellopos.net/elpenor/rome/3-04-hamilcar-hannibal.asp?pg=16