The battle of Montaperti was fought in September 1260, among the earthy hills washed by the Arbia and its tributary rivulets, a few miles to the east of Siena. It marked the close of the rule of the _Popolo Vecchio_. Till then no such disastrous day had come to Florence; and the defeat was all the more intolerable that it was counted for a victory to Siena. Yet the battle was far from being a test of the strength of the two rival cities. Out of the thirty thousand foot in the Guelf army, there were only about five thousand Florentines. In the host which poured out on them from Siena, beside the militia of that city and the Florentine exiles, were included the Ghibelines of Arezzo, the retainers of great lords still unsubdued by any city, and, above all, the German men-at-arms of Manfred.[15] But the worst enemies of Florence were the traitors in her own ranks. She bore it long in mind that it was her merchants and handicraftsmen who stood stubbornly at bay, and tinged the Arbia red with their life-blood; while it was among the men of high degree that the traitors were found. On one of them, Bocca degli Abati, who struck off the right hand of the standard-bearer of the cavalry, and so helped on the confusion and the rout, Dante takes vengeance in his pitiless verse.[16] The fortifications of Florence had been recently completed and strengthened, and it was capable of a long defence. But the spirit of the people was broken for the time, and the conquerors found the gates open. Then it was that Farinata almost atoned for any wrong he ever did his native town, by withstanding a proposal made by the Ghibelines of the rival Tuscan cities, that Florence should be destroyed, and Empoli advanced to fill her room. 'Alone, with open face I defended her,' Dante makes him say.[17] But the wonder would rather be if he had voted to destroy a city of which he was about to be one of the tyrants. Florence had now a fuller experience than ever of the oppression which it was in the character of the Ghibelines to exercise. A rich booty lay ready to their hands; for in the panic after Montaperti crowds of the best in Florence had fled, leaving all behind them except their wives and children, whom they would not trust to the cruel mercy of the victors. It was in this exile that for the first time the industrious citizen was associated with the Guelf noble. From Lucca, not powerful enough to grant them protection for long, they were driven to Bologna, suffering terribly on the passage of the Apennines from cold and want of food, but safe when the mountains lay between them and the Val d'Arno. While the nobles and young men with a taste for fighting found their livelihood in service against the Lombard Ghibelines, the more sober-minded scattered themselves to seek out their commercial correspondents and increase their acquaintance with the markets of Europe. When at length the way was open for them to return home, they came back educated by travel, as