On the withdrawal of the Milanese forces after the Peace of Sarzana in 1353, a civil war broke out between Guelphs and Ghibellines, between Borgo San Sepolcro and Città di Castello.
In 1353 following the Peace of Sarzana, when Milanese forces withdrew, a civil war began between Guelphs and Ghibellines. The battleground for this conflict was between Borgo San Sepolcro and Città di Castello.