https://thevikingherald.com/article/who-was-gunnbjoern-ulfsson-the-first-norse-explorer-to-allegedly-spot-greenland/379
Who was Gunnbjörn Ulfsson, the first Norse explorer to allegedly spot Greenland? | The Viking Herald
Oct 6, 2026 - The Norse exploration of North America is one of the early medieval period’s most brilliant nautical tales.
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