War of the Eight Saints

War of the Eight Saints
Date1375 – July 1378
Location
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.