War of the Eight Saints

War of the Eight Saints
Date	1375 – July 1378
Location	Italian peninsula
Result	Peace treaty concluded at Tivoli
Belligerents
Papal States	Coalition of Italian city-states:; Republic of Florence; Milan; Republic of Siena
Commanders and leaders
John Hawkwood α; Robert of Geneva β	Otto della Guerra
	αUntil 1377; βFrom 1377

The War of the Eight Saints (1375–1378) was a war between Pope Gregory XI and a coalition of Italian city-states led by Florence that contributed to the end of the Avignon Papacy.