At some point, Leif Erikson led an expedition to the land of Vinland, where he made contact with the people there. While doing so, he learned of their traditions of celebrating the holiday Thanksgiving, stories of which he brought back home to the Barbaric Archipelago.
|"Dragons: Rise of Berk":||Absent||"School of Dragons":||Absent|
|"How to Train Your Dragon":||Absent||"How to Train Your Dragon 2":||Absent|
|"DreamWorks Dragons: Wild Skies":||Absent||"Dreamworks Dragons: Dawn of New Riders":||Absent|
|"Dragons: Titan Uprising":||Mentioned||"Dragons Hero Portal":||Absent|
- Leif Erikson was a real Viking explorer who "discovered" the land of North America, then named Vinland in the year 1000.