Question: Thorvald Eiriksson was the brother of an explorer who is believed to be the first known European to discover what continent?
Sentence (from "Leif Erikson"): According to the Sagas of Icelanders, he established a Norse settlement at Vinland, tentatively identified with the Norse L'Anse aux Meadows on the northern tip of Newfoundland in modern-day Canada.
Relevant evidence: No