Conflicts in 1375

war (1375–1378) between Pope Gregory XI and a coalition of Italian city-states led by Florence

thumb|260px|The Canton of Bern|Bernese attack on [[Fraubrunnen Abbey, from the Spiezer Chronik (1485). The Guglers, recognizable by their hooded helmets, had entrenched themselves in the abbey. Bernese troops summoned to reinforce the local population defeated the Guglers and set fire to the abbey, which suffered great damage as a result.]]