by Polybius
The weight and influence of the speaker, as well as their belief in his words, roused great enthusiasm among the men; which Scipio acknowledged, and then dismissed them with the additional injunction that they should hold themselves in readiness to obey any order sent round to them.
65. Next day both generals led their troops along the river Padus, on the bank nearest the Alps, the Romans having the stream on their left, the Carthaginians on their right; and having ascertained on the second day, by means of scouts, that they were near each other, they both halted and remained encamped for that day: but on the next, both taking their cavalry, and Publius his sharp-shooters also, they hurried across the plain to reconnoitre each other’s forces. As soon as they came within distance, and saw the dust rising from the side of their opponents, they drew up their lines for battle at once. Publius put his sharp-shooters and Gallic horsemen in front, and bringing the others into line, advanced at a slow pace. Hannibal placed his cavalry that rode with bridles, and was most to be depended on, in his front, and led them straight against the enemy; having put the Numidian cavalry on either wing to take the enemy on the flanks. The two generals and the cavalry were in such hot haste to engage, that they closed with each other before the sharp-shooters had an opportunity of discharging their javelines at all. Before they could do so, they left their ground, and retreated to the rear of their own cavalry, making their way between the squadrons, terrified at the approaching charge, and afraid of being trampled to death by the horses which were galloping down upon them. The cavalry charged each other front to front, and for a long time maintained an equal contest; and a great many men dismounting on the actual field, there was a mixed fight of horse and foot. The Numidian horse, however, having outflanked the Romans, charged them on the rear: and so the sharp-shooters, who had fled from the cavalry charge at the beginning, were now trampled to death by the numbers and furious onslaught of the Numidians; while the front ranks originally engaged with the Carthaginians, after losing many of their men and inflicting a still greater loss on the enemy, finding themselves charged on the rear by the Numidians, broke into flight: most of them scattering in every direction, while some of them kept closely massed round the Consul.
66. Publius then broke up his camp, and marched through the plains to the bridge over the Padus, in haste to get his legions across before the enemy came up. He saw that the level country where he was then was favourable to the enemy with his superiority in cavalry. He was himself disabled by a wound; and he decided that it was necessary to shift his quarters to a place of safety. For a time Hannibal imagined that Scipio would give him battle with his infantry also: but when he saw that he had abandoned his camp, he went in pursuit of him as far as the bridge over the Ticinus; but finding that the greater part of the timbers of this bridge had been torn away, while the men who guarded the bridge were left still on his side of the river, he took them prisoners to the number of about six hundred, and being informed that the main army was far on its way, he wheeled round and again ascended the Padus in search of a spot in it which admitted of being easily bridged. After two days’ march he halted and constructed a bridge over the river by means of boats. He committed the task of bringing over the army to Hasdrubal; while he himself crossed at once, and busied himself in receiving the ambassadors who arrived from the neighbouring districts. For no sooner had he gained the advantage in the cavalry engagement, than all the Celts in the vicinity hastened to fulfil their original engagement by avowing themselves his friends, supplying him with provisions, and joining the Carthaginian forces. After giving these men a cordial reception, and getting his own army across the Padus, he began to march back again down stream, with an earnest desire of giving the enemy battle. Publius, too, had crossed the river and was now encamped under the walls of the Roman colony Placentia. There he made no sign of any intention to move; for he was engaged in trying to heal his own wound and those of his men, and considered that he had a secure base of operations where he was. A two days’ march from the place where he had crossed the Padus brought Hannibal to the neighbourhood of the enemy; and on the third day he drew out his army for battle in full view of his opponents: but as no one came out to attack, he pitched his camp about fifty stades from them.
67. But the Celtic contingent of the Roman army, seeing that Hannibal’s prospects looked the brighter of the two, concerted their plans for a fixed time, and waited in their several tents for the moment of carrying them out. When the men within the rampart of the camp had taken their supper and were gone to bed, the Celts let more than half the night pass, and just about the time of the morning watch armed themselves and fell upon the Romans who were quartered nearest to them; killed a considerable number, and wounded not a few; and, finally, cutting off the heads of the slain, departed with them to join the Carthaginians, to the number of two thousand infantry and nearly two hundred cavalry. They were received with great satisfaction by Hannibal; who, after addressing them encouragingly, and promising them all suitable rewards, sent them to their several cities, to declare to their compatriots what they had done, and to urge them to make alliance with him: for he knew that they would now all feel compelled to take part with him, when they learnt the treachery of which their fellow-countrymen had been guilty to the Romans. Just at the same time the Boii came in, and handed over to him the three Agrarian Commissioners, sent from Rome to divide the lands; whom, as I have already related, they had seized by a sudden act of treachery at the beginning of the war. Hannibal gratefully acknowledged their good intention, and made a formal alliance with those who came: but he handed them back their prisoners, bidding them keep them safe, in order to get back their own hostages from Rome, as they intended at first.
Publius regarded this treachery as of most serious importance; and feeling sure that the Celts in the neighbourhood had long been ill-disposed, and would, after this event, all incline to the Carthaginians, he made up his mind that some precaution for the future was necessary. The next night, therefore, just before the morning watch, he broke up his camp and marched for the river Trebia, and the high ground near it, feeling confidence in the protection which the strength of the position and the neighbourhood of his allies would give him.
68. When Hannibal was informed of Scipio’s change of quarters, he sent the Numidian horse in pursuit at once, and the rest soon afterwards, following close behind with his main army. The Numidians, finding the Roman camp empty, stopped to set fire to it: which proved of great service to the Romans; for if they had pushed on and caught up the Roman baggage, a large number of the rear-guard would have certainly been killed by the cavalry in the open plains. But as it was, the greater part of them got across the River Trebia in time; while those who were after all too far in the rear to escape, were either killed or made prisoners by the Carthaginians.
Scipio, however, having crossed the Trebia occupied the first high ground; and having strengthened his camp with trench and palisade, waited the arrival of his colleague, Tiberius Sempronius, and his army; and was taking the greatest pains to cure his wound, because he was exceedingly anxious to take part in the coming engagement. Hannibal pitched his camp about forty stades from him. While the numerous Celts inhabiting the plains, excited by the good prospects of the Carthaginians, supplied his army with provisions in great abundance, and were eager to take their share with Hannibal in every military operation or battle.
When news of the cavalry engagement reached Rome, the disappointment of their confident expectations caused a feeling of consternation in the minds of the people. Not but that plenty of pretexts were found to prove to their own satisfaction that the affair was not a defeat. Some laid the blame on the Consul’s rashness, and others on the treacherous lukewarmness of the Celts, which they concluded from their recent revolt must have been shown by them on the field. But, after all, as the infantry was still unimpaired, they made up their minds that the general result was still as hopeful as ever. Accordingly, when Tiberius and his legions arrived at Rome,
and marched through the city, they believed that his mere appearance at the seat of war would settle the matter.
His men met Tiberius at Ariminum, according to their oath, and he at once led them forward in all haste to join Publius Scipio. The junction effected, and a camp pitched by the side of his colleague, he was naturally obliged to refresh his men after their forty days’ continuous march between Ariminum and Lilybaeum: but he went on with all preparations for a battle; and was continually in conference with Scipio, asking questions as to what had happened in the past, and discussing with him the measures to be taken in the present.
69. Meanwhile Hannibal got possession of Clastidium, by the treachery of a certain Brundisian, to whom it had been entrusted by the Romans. Having become master of the garrison and the stores of corn he used the latter for his present needs; but took the men whom he had captured with him, without doing them any harm, being desirous of showing by an example the policy he meant to pursue; that those whose present position towards Rome was merely the result of circumstances should not be terrified, and give up hope of being spared by him. The man who betrayed Clastidium to him he treated with extraordinary honour, by way of tempting all men in similar situations of authority to share the prospects of the Carthaginians. But afterwards, finding that certain Celts who lived in the fork of the Padus and the Trebia, while pretending to have made terms with him, were sending messages to the Romans at the same time, believing that they would thus secure themselves from being harmed by either side, he sent two thousand infantry with some Celtic and Numidian cavalry with orders to devastate their territory. This order being executed, and a great booty obtained, the Celts appeared at the Roman camp beseeching their aid. Tiberius had been all along looking out for an opportunity of striking a blow: and once seized on this pretext for sending out a party, consisting of the greater part of his cavalry; and a thousand sharp-shooters of his infantry along with them; who having speedily come up with the enemy on the other side of the Trebia, and engaged them in a sharp struggle for the possession of the booty, forced the Celts and Numidians to beat a retreat to their own camp. Those who were on duty in front of the Carthaginian camp quickly perceived what was going on, and brought some reserves to support the retreating cavalry; then the Romans in their turn were routed, and had to retreat to their camp. At this Tiberius sent out all his cavalry and sharp-shooters; whereupon the Celts again gave way, and sought the protection of their own camp. The Carthaginian general being unprepared for a general engagement, and thinking it a sound rule not to enter upon one on every casual opportunity, or except in accordance with a settled design, acted, it must be confessed, on this occasion with admirable generalship. He checked their flight when his men were near the camp, and forced them to halt and face about; but he sent out his aides and buglers to recall the rest, and prevented them from pursuing and engaging the enemy any more. So the Romans after a short halt went back, having killed a large number of the enemy, and lost very few themselves.
70. Excited and overjoyed at this success Tiberius was all eagerness for a general engagement. Now, it was in his power to administer the war for the present as he chose, owing to the ill-health of Publius Scipio; yet wishing to have his colleague’s opinion in support of his own, he consulted him on this subject. Publius however took quite an opposite view of the situation. He thought his legions would be all the better for a winter under arms; and that the fidelity of the fickle Celts would never stand the test of want of success and enforced inactivity on the part of the Carthaginians: they would be certain, he thought, to turn against them once more. Besides, when he had recovered from his wound, he hoped to be able to do good service to his country himself. With these arguments he tried to dissuade Tiberius from his design. The latter felt that every one of these arguments were true and sound; but, urged on by ambition and a blind confidence in his fortune, he was eager to have the credit of the decisive action to himself, before Scipio should be able to be present at the battle, or the next Consuls arrive to take over the command; for the time for that to take place was now approaching. As therefore he selected the time for the engagement from personal considerations, rather than with a view to the actual circumstances of the case, he was bound to make a signal failure.
Hannibal took much the same view of the case as Scipio, and was therefore, unlike him, eager for a battle; because, in the first place, he wished to avail himself of the enthusiasm of the Celts before it had at all gone off: in the second place, he wished to engage the Roman legions while the soldiers in them were raw recruits without practice in war: and, in the third place, because he wished to fight the battle while Scipio was still unfit for service: but most of all because he wanted to be doing something and not to let the time slip by fruitlessly; for when a general leads his troops into a foreign country, and attempts what looks like a desperate undertaking, the one chance for him is to keep the hopes of his allies alive by continually striking some fresh blow.
Such were Hannibal’s feelings when he knew of the intended attack of Tiberius.
71. Now he had some time before remarked a certain piece of ground which was flat and treeless, and yet well suited for an ambush, because there was a stream in it with a high overhanging bank thickly covered with thorns and brambles. Here he determined to entrap the enemy. The place was admirably adapted for putting them off their guard; because the Romans were always suspicious of woods, from the fact of the Celts invariably choosing such places for their ambuscades, but felt no fear at all of places that were level and without trees: not knowing that for the concealment and safety of an ambush such places are much better than woods; because the men can command from them a distant view of all that is going on: while nearly all places have sufficient cover to make concealment possible, — a stream with an overhanging bank, reeds, or ferns, or some sort of bramble-bushes, — which are good enough to hide not infantry only, but sometimes even cavalry, if the simple precaution is taken of laying conspicuous arms flat upon the ground and hiding helmets under shields. Hannibal had confided his idea to his brother Mago and to his council, who had all approved of the plan. Accordingly, when the army had supped, he summoned this young man to his tent, who was full of youthful enthusiasm, and had been trained from boyhood in the art of war, and put under his command a hundred cavalry and the same number of infantry. These men he had himself earlier in the day selected as the most powerful of the whole army, and had ordered to come to his tent after supper. Having addressed and inspired them with the spirit suitable to the occasion, he bade each of them select ten of the bravest men of their own company, and to come with them to a particular spot in the camp. The order having been obeyed, he despatched the whole party, numbering a thousand cavalry and as many infantry, with guides, to the place selected for the ambuscade; and gave his brother directions as to the time at which he was to make the attempt. At daybreak he himself mustered the Numidian cavalry, who were conspicuous for their powers of endurance; and after addressing them, and promising them rewards if they behaved with gallantry, he ordered them to ride up to the enemy’s lines, and then quickly cross the river, and by throwing showers of darts at them tempt them to come out: his object being to get at the enemy before they had had their breakfast, or made any preparations for the day. The other officers of the army also he summoned, and gave them similar instructions for the battle, ordering all their men to get breakfast and to see to their arms and horses.
72. As soon as Tiberius saw the Numidian horse approaching, he immediately sent out his cavalry by itself with orders to engage the enemy, and keep them in play, while he despatched after them six thousand foot armed with javelins, and got the rest of the army in motion, with the idea that their appearance would decide the affair: for his superiority in numbers, and his success in the cavalry skirmish of the day before, had filled him with confidence. But it was now mid-winter and the day was snowy and excessively cold, and men and horses were marching out almost entirely without having tasted food; and accordingly,
though the troops were at first in high spirits, yet when they had crossed the Trebia, swollen by the floods which the rain of the previous night had brought down from the high ground above the camp, wading breast deep through the stream, they were in a wretched state from the cold and want of food as the day wore on. While the Carthaginians on the contrary had eaten and drunk in their tents, and got their horses ready, and were all anointing and arming themselves round the fires. Hannibal waited for the right moment to strike, and as soon as he saw that the Romans had crossed the Trebia, throwing out eight thousand spearmen and slingers to cover his advance, he led out his whole army. When he had advanced about eight stades from the camp, he drew up his infantry, consisting of about twenty thousand Iberians, Celts, and Libyans, in one long line, while he divided his cavalry and placed half on each wing, amounting in all to more than ten thousand, counting the Celtic allies; his elephants also he divided between the two wings, where they occupied the front rank. Meanwhile Tiberius had recalled his cavalry because he saw that they could do nothing with the enemy. For the Numidians when attacked retreated without difficulty, scattering in every direction, and then faced about again and charged, which is the peculiar feature of their mode of warfare. But he drew up his infantry in the regular Roman order, consisting of sixteen thousand citizens and twenty thousand allies; for that is the complete number of a Roman army in an important campaign, when the two Consuls are compelled by circumstances to combine forces. He then placed the cavalry on either wing, numbering four thousand, and advanced against the enemy in gallant style, in regular order, and at a deliberate pace.