Siege of Viterbo
| Battle of Viterbo | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Wars of the Guelphs and Ghibellines | |||||||
| 
 | |||||||
| Belligerents | |||||||
| Holy Roman Empire and Ghibellines | Guelphs | ||||||
| Commanders and leaders | |||||||
| Frederick II | |||||||
The siege of Viterbo was fought in 1243 between the Holy Roman Emperor Frederick II and the rebellious city of Viterbo, 50 km north of Rome.