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siege, medieval

Siege of Viterbo

Siege of Viterbo was a siege conducted in 1243 at Viterbo, in what is now Italy. It was part of Gregorian Reform. The recorded result: Papal-Guelph victory; Frederick II abandons the siege; Imperial garrison withdraws from Viterbo.

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Fought1243
WhereViterbo, Italy42.419N, 12.104E
OutcomePapal-Guelph victory; Frederick II abandons the siege; Imperial garrison withdraws from Viterbo
Belligerents20px Holy Roman Empire; 20px Kingdom of Sicily; 20px Ghibellinesagainst20px Papal States; 20px Viterbese Guelphs
Casualties and losses1,000 killed, wounded or capturedandFew hundred killed or wounded
Part ofGregorian ReformGuelphs and Ghibellines

Where it sits in Gregorian Reform

Battle of Volta Mantovana, 1080Battle of Sorbara, 1084Battle of Bianello, 1092Battle of Santa Lucia delle Spianate, 1145Battle of the Vernavola, 1154Siege of Tortona, 1155Siege of Milan, 1158Siege of Crema, 1159Battle of Siziano, 1159Battle of Carcano, 1160Siege of Milan, 1161Battle of Monte Porzio, 1167Siege of Alessandria, 1174Battle of Legnano, 1176Battle of Calcinato, 1201Battle of Casei Gerola, 1213Battle of Cortenuova, 1237Siege of Brescia, 1238Siege of Faenza, 1240Battle of Giglio, 1241Siege of Viterbo, 1243Battle of Spello, 1246Battle of Florence, 1248Battle of Parma, 1248Battle of Fossalta, 1249Battle of Foggia, 1254Battle of Cassano, 1259Battle of Montaperti, 1260Battle of Colle Val d'Elsa, 1269Battle of Roccavione, 1275Battle of Desio, 1277Battle of Sperlinga, 1283Battle of Pieve al Toppo, 1288Battle of Campaldino, 1289Battle of Catanzaro, 1297Siege of Syracuse, 1298Siege of Pavia, 1302Battle of Gaggiano, 1313Siege of Pavia, 1315Battle of Ponte San Pietro, 1315Siege of Mirandola, 1321Battle of Bardi, 1321Battle of Gorgonzola, 1323Battle of Vaprio d'Adda, 1324Battle of Altopascio, 1325Battle of Zappolino, 1325Battle of Gamenario, 1345Battle of Casorate, 1356Battle of Solara, 1363Battle of Alessandria, 139110801391Siege of Viterbo, 1243
50 placed engagements of Gregorian Reform in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date1243 (year precision)
PlaceViterbo, Italy
42.419N, 12.104E
KindSiege, medieval
Strength6,000–8,000 men; c. 2,000–2,500 cavalry; German, Sicilian and Abruzzese troops; Lombard and Tuscan communal infantry; Luceran Saracen archers; 400-man imperial garrison inside Viterbo3,000 defenders; Viterbese civic infantry and cavalry; Crossbowmen, archers and slingers; Mercenary men-at-arms; Papal reinforcements
Casualties and losses1,000 killed, wounded or capturedFew hundred killed or wounded
Commanders
  • Ranieri Capocci
Siege of ViterboSiege of ViterboBattle of Lake VadimoBattle of Lake VadimoFall of the Republic of VeniceBattle of VeiiBattle of VeiiFall of the Republic of VeniceBattle of VeiiBattle of VeiiLivornoPerugiaAnconaArezzoSienaVatican City100 km42.419N, 12.104E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in 1243

Siege of Viterbo is one of 629 engagements of the 13th century in the atlas and one of 1,038 in present-day Italy.

Sources

Identity, coordinates, dates and the war from Wikidata Q7510507, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Viterbo, revision 1378354215, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.