What group brought Scandinavian influence to the British Isles?

The Vikings, specifically those from Scandinavia, brought significant influence to the British Isles during the late 8th to early 11th centuries. They conducted raids and established settlements, particularly in areas like northern England, Scotland, and Ireland. This interaction led to cultural exchanges, the introduction of new technologies, and linguistic influences that shaped the development of the region. The Viking legacy is still evident today in place names and genetic heritage.