But how did Scandinavian society begin, and what incited its voyage across the seas? Who was Rollo "the Walker" and the Great Heathen Army? How did Thorgest shape the religion and culture of Ireland?

Following is a transcript of the video. - [Rollo yells] Tyr Neilsen: Rollo's using a Viking battle-ax. You can turn, you can pull, and if it's used against an opponent's legs, it can be pulled up.