Never in the course of history has there been such an example of a complete surprise of the whole of a large army as at this battle. For over-night, aided by the configuration of the ground, which was admirably adapted to his purpose, the Carthaginian general arranged his various forces in ambush in several places, by the side of the lake and the pass leading to the valley through which the Roman force had to march in their fancied pursuit. Behind the hill on one side, near the entrance to the pass, were hidden all the Balearic slingers and the light-armed troops. On the other side, facing them, were the Numidian cavalry and the Gallic infantry; while upon a steep hill, which almost entirely closed the end of the valley, only leaving, indeed, a very narrow and precipitous roadway near the lake, stood Hannibal himself, with the whole of the Spanish and Libyan heavy infantry.
At early dawn, when a thick mist enveloped everything down to the water’s edge, Flaminius and his army, like flies into a trap, plunged recklessly into the pass and the valley, which were so soon to be whitened with their bones. The Carthaginians on the heights could plainly hear through the mist the tramp of the 30,000 enemies marching below them.
In the meantime, concealed by the mist, they gradually, in their impatience, edged further and further towards the slopes, down which they but awaited the command to charge. They could plainly—the white heavy mist having now settled upon the lower ground—see their own comrades similarly preparing on every surrounding hill-top.
When Hannibal, who was himself waiting in a fever of expectation, judged by the ear that the head of the Roman columns had reached the foot of the hill whereon he stood, he gave in a loud tone the order to charge. According to preconceived arrangement, the cry was instantly taken up and repeated by every general, captain, prefect, tribune, or other officer of any and every kind stationed around the amphitheatre of hills. In a second, the whole army was in motion, and then with a roar like thunder, from the combined frantic shouting, the clattering of the rocks and the clanging of the armour, thousands of men poured down on every side at once to charge the unseen and unsuspecting foe below. Never, indeed, in the history of the world has there been planned and executed such a terrible surprise! The Romans had, many of them, not even time to draw their swords, but were slain where they stood. In three hours’ time the whole of the Roman army, with the exception of six thousand men of the van, who, in the mist, managed to force their way through to a hillock, where they stood bewildered, were cut down, or driven into the lake. Here, while standing up to their necks in the water, they were charged by the Carthaginian cavalry, who despatched them with their spears, the Consul Flaminius himself being one of the killed.
When at length the mist cleared, and the six thousand Romans who had taken refuge on the hill saw the awful scene of carnage below, they retreated to a neighbouring Etruscan village. But Hannibal, thinking that in his present unhappy condition of mind the more fighting that Maharbal could get the better it would be for him, sent him the next day with all the light-armed troops and the Iberians to besiege the village, which he did so successfully that the whole of the six thousand surrendered to him on his promising to them their lives. Altogether, the appalling number of fifteen thousand Romans were actually slain in this battle, and, including the six thousand who surrendered to Maharbal, fifteen thousand were taken prisoners, more than half of whom were wounded. Hannibal, on his side, lost fifteen hundred men, but they were chiefly Gauls, whom he could best afford to lose.
Nor was this the end of the Roman disasters, for no sooner had the news of this terrible defeat reached Rome than it was followed by the tidings of a battle gained by Maharbal alone. For Cnœus Servilius, having heard that Hannibal had entered Etruria and was near Flaminius, started at once with the intention of joining him. But his excellent intentions had been frustrated completely by the diplomatic move made by Hannibal in setting fire to all the houses and devastating the whole country of Etruria before the very eyes of Flaminius. The result had been, to quote the flippant Chœras, that it had rained, if not exactly bullocks and babies, at all events blows and butchery at Thrasymene. Servilius, however, like a good general, anxious to help his fellow consul, had sent on a body of four thousand cavalry in advance, thinking that even if he could not himself arrive in time with the infantry, these horsemen would. They were all gallant troops, well mounted, and under the command of a certain Caius Centenius. Had these troops arrived in time for the battle of Lake Thrasymene they would probably have been slaughtered there and then. But they were three or four days too late. The delay, however, made but little difference in the result. For old Sosilus got timely warning from his spies of their approach, and informed Hannibal upon the very day that Maharbal took the six thousand prisoners. Again, with the object of keeping Maharbal at constant hard campaigning work, so as not to give him time for thinking, Hannibal deputed to him a separate and large command, which should by rights of seniority more fitly have been entrusted to Mago or to General Hanno. He sent him off with all the light-armed troops and a considerable body of Iberian cavalry to seek for and attack Centenius when found. Maharbal came up with the Romans in a day or two, and he and his men, both horse and foot, being full of confidence and valour after Thrasymene, charged at sight.
They charged with such impetuosity, the light-armed footmen by Maharbal’s directions clinging to the stirrups of the horsemen, that at the first shock half of the Romans were unhorsed. The footmen had let go the stirrups just before the shock of the two bodies of cavalry meeting, but now they bounded upon the dismounted Romans and slew them to a man, while the horsemen pursued the remainder to a hill, not far distant, where they defended themselves right valiantly for the night. But the following morning, charging gallantly up the hill, the young Numidian leader defeated them utterly. The fury of his charge was so great that the enemy, intimidated, broke without waiting for him to come to close quarters, and would have fled, but that they found confronting them a large party of Balearic slingers and archers, and some of the cavalry which Maharbal had sent round behind the hill, to their rear. Finding themselves thus taken between two fires, they threw down their arms, and although before Maharbal was able to stay the carnage a good many of the Romans were killed by the slingers and archers, most of them fell alive into his hands. Thus, with a large number of prisoners, and with an immense booty of fine horses and beautiful armour, Maharbal marched back to the headquarters near the Thrasymene, covered with glory and honour. And after this week of perpetual fighting and carnage he ceased to be haunted by the spirit of Eugenia, whose image now soon faded from his mind, although he never forgot her completely so long as he lived.
Great were the rejoicings in the Carthaginian ranks after these tremendous successes, but for all that, Hannibal did not feel himself strong enough to attack Rome for the present.
Dividing the prisoners who were actual Romans among his troops, and releasing all the prisoners of the allies, telling them that he made war for Italy herself against the Romans only, he started once more. Gathering together all the spoils and the captured horses, of which he had an immense number, and taking his wounded with him, he now indulged himself in what may be described as a kind of military promenade. Entirely unopposed, but plundering and killing all the male inhabitants whom he met, just to indulge in his hatred for the Romans, he leisurely marched across Central Italy to the province of Umbria, and passing through Umbria, travelled on slowly to the southward through Picenum, where he arrived with all his army upon the shores of the Adriatic. Here he established a fortified camp in the midst of a most fertile country.
Right glad, indeed, were he and his army to behold the sea once more; for they had not seen salt water now for many months. Right glad also were the troops to rest, for they had become wearied of carrying along all the wealth that they had amassed. Moreover, from the hardships of the campaign, many of the men were suffering from scurvy, and the horses were covered with scab. Fortunately, the Carthaginians had captured among other things great quantities of old wine, and by continuous bathing of their wounds with this, both horses and men were soon restored to health and strength.