Treenailed boats were use used by viking in which centuries?
Treenailed boat The treenailed boat is a boat model used in Northern Europe, usually associated with Vikings but should perhaps be ascribed to Pomeranian groups. The shape and construction coincides with the sewn boats, but instead of ropes, it is assembled with wooden treenails.
Olof Trätälja Olaf Tree Feller (Old Norse: "Óláfr trételgja", Swedish: "Olof Trätälja", Norwegian: "Olav Tretelgja", all meaning "Olaf Woodwhittler") was the son of the Swedish king Ingjald ill-ruler of the House of Yngling according to Ynglingatal.