Guelphs vs. Ghibellines: The Medieval Feud That Split Italy

The 13th-century rivalry between the pro-papal Guelphs and pro-empire Ghibellines tore through northern and central Italy, fueled by the struggle between the papacy and the Hohenstaufen emperors. The terms originated from the German Welf and Hohenstaufen dynasties, with 'Ghibelline' likely derived from the Hohenstaufen castle of Waiblingen. In Italy, the factions emerged amid the communes' fight for autonomy. The feud turned violent in Florence, where the Uberti family led Ghibelline forces to expel Guelphs in 1248. After Frederick II's death in 1250, the conflict escalated. The earliest known document using 'Pars Ghibellinorum' dates to a 1251 pact between Farinata degli Uberti and Siena, Pistoia, and Pisa. The Battle of Montaperti on September 4, 1260, saw Ghibelline forces defeat the Florentine Guelphs, a bloodbath Dante later referenced in the Divine Comedy. Six years later, Guelph forces backed by Charles of Anjou and the papacy won at Benevento, ending Ghibelline dominance. The Guelphs then persecuted rivals, even exhuming Uberti remains. By the mid-13th century, the factions had evolved from local disputes into organized parties using mass exile. This political warfare fostered disunity but also helped form larger regional states. During the 19th-century Risorgimento, Italian patriots saw the medieval exiles, including Dante's, as a mirror of their own diaspora, forging a new national identity.