Learning that the Helvetii were heading for the Santones' land, he left Labienus in charge of the defenses, went to Italy to levy two legions, and came out with three legions wintering near Aquileia. (Caesar, Commentaries on the Gallic War 1.10)
Clodius assigns Cato, besides the Cyprus mission, the return of the Byzantine exiles (Plutarch's Parallel Lives Plut. Cato Minor 34.4)
When Cicero's flight is known, Clodius passes a vote of banishment (Plutarch's Parallel Lives Plut. Cicero 32.1)
At Hipponium (Vibo) in Lucania he meets Vibius, a Sicilian who had been indebted to Cicero's kindness (Plutarch's Parallel Lives Plut. Cicero 32.2)
Western Europe (19)
Hearing that the Helvetii meant to pass through the province, Caesar left Rome, marched at forced pace to Geneva (Genava), and had its bridge cut. (Caesar, Commentaries on the Gallic War 1.7)
Built a 16-foot-high wall and ditch from Lake Geneva to the Jura and posted garrisons to block the Helvetii's crossing. (Caesar, Commentaries on the Gallic War 1.8)
When three-quarters of the Helvetii had crossed the Saône, Caesar struck the stragglers who had not yet crossed with three legions in a night attack at the third watch, routing them along with their baggage. (Caesar, Commentaries on the Gallic War 1.12)
Caesar bridged the Saône in a single day and crossed; the Helvetii sent Diviciacus as envoy to negotiate, and Caesar answered firmly. (Caesar, Commentaries on the Gallic War 1.13)
Four thousand Roman cavalry chased the Helvetii rear too eagerly and were beaten back at a bad spot by 500 horsemen; Caesar restrained the fighting. (Caesar, Commentaries on the Gallic War 1.15)
The Aedui delayed the grain they had promised; Caesar rebuked them. The chief magistrate Liscus revealed a secret, showing Dumnorix to be the anti-Roman agitator. (Caesar, Commentaries on the Gallic War 1.16–1.17)
Labienus took the hilltop near the Helvetii camp, but the scout officer Considius falsely reported that the enemy had seized it, and the chance for a surprise attack was lost. (Caesar, Commentaries on the Gallic War 1.21–1.22)
To get grain, Caesar turned from the Helvetii toward Bibracte; the Helvetii took this for a retreat and pursued him, attacking his rear guard. (Caesar, Commentaries on the Gallic War 1.23)
Caesar placed his legions on the hill and broke the Helvetii phalanx; the battle ran from the seventh hour to evening, and at the wagon camp it continued late into the night (near Bibracte; exact site unknown). (Caesar, Commentaries on the Gallic War 1.26)
The Helvetii surrendered, handing over hostages, weapons and runaway slaves; but 6,000 men of the Verbigeni slipped away at night, and Caesar captured them and treated them as enemies. He ordered the rest to return home and rebuild their towns. (Caesar, Commentaries on the Gallic War 1.27)