The uprising of the Florentines and the expulsion of the Medici in November 1494.
In 1325 he defeated the Florentines at Alto Pascio, and carried home their carroccio as a trophy of his victory over the Guelphs.
At the town of Montecatini, on the hill above (951 ft.), the Florentines were defeated by Uguccione della Faggiuola of Pisa in 1315.
But this treaty, in spite of its apparent stability, led in a few years to a fiercer struggle; for in 1258 the Florentines complained that Siena had infringed its terms by giving refuge to the Ghibellines they had expelled, and on the refusal of the Sienese to yield to these just remonstrances both states made extensive preparations for war.
But in a second and more important campaign, in which the militia of the other Guelf towns of Tuscany took part, the Florentines were signally defeated at Montaperti on the 4th of September 1260.