Leghorn is on the main line from Pisa to Rome; another line runs to Colle Salvetti.
The podestd and the capitano assenting to this treachery, he dismissed the gonfaloniere, reduced the priori to a position of impotence, disarmed the citizens, and soon afterwards accepted the lordship of Arezzo, Volterra, Colle, San Gimignano and Pistoia.
Ghibelline Siena soon felt the effects of the change in the defeat of its army at Colle di Valdelsa (1269) by the united forces of the Guelf exiles, Florentines and French, and the death in that battle of her powerful citizen Provenzano Salvani (mentioned by Dante), who had been the leading spirit of the government at the time of the victory of Montaperti.