They didn't. The Vikings ruled large parts, certainly but virtually all of it was islands, not mainland. They were defeated at Battle of Largs in 1263.
fgtggdfv
The Vikings, the Romans and the English.
France, Ireland, Scotland, England.
because...
yes they did
the aboriginals had thought that the vikings were going to attack them
Vikings did not have the right to attack on other countries. They should of stay out of the way.
The Vikings.
Around Scandinavia.
Viking raids
Because they wanted to : )
At various times in its history, Scotland has been invaded by the Irish, Vikings, Romans, English.