Question: Early Scandinavian Dublin, the First Viking Age in Ireland began in which year, when Vikings began carrying out hit-and-run raids on Gaelic Irish coastal settlements?
Sentence (from "Vikings"): This period of Nordic military, mercantile and demographic expansion constitutes an important element in the early medieval history of Scandinavia, Estonia, the British Isles, France, Kievan Rus' and Sicily.
Relevant evidence: No