What happened when the Vikings tried to attack Rome?

By the mid-9th century CE, the city of Rome had seen better days. Still, the lure of Rome proved so tempting that even the Vikings attempted to raid its treasures.

Viking raid warfare and tactics - Wikipedia

After pillaging France and Spain, Viking raiders set their sights

The Viking Rus' siege of Constantinople

Did the Vikings ever attack Italy? If not, why didn't they try to

Did Vikings Ever Reach Rome? - Viking Style

Viking expansion - Wikipedia

The Romans in Scotland - Historic UK

What Countries Did The Vikings Invade? - Viking Style

What happened when the Vikings tried to attack Rome?

What happened when the Vikings tried to attack Rome?

Celts vs Vikings — An overall comparison

Siege of Paris (885–886) - Wikipedia

Did the Romans ever fight the Vikings in Battle? - Quora

The First Viking Invasion of England—This Month in Catholic