Viking blacksmiths used the bones of their dead ancestors and slain animals to strengthen their swords, hoping to transfer the spirit into their blades. This DID strengthen their swords though because the carbon in bones combined with iron led to the…
The Vikings had their own version of rap battling called "flyting" which is "a ritual, poetic exchange of insults practised mainly between the 5th and 16th centuries"
Viking funerals consisted of the important Viking being put into a burial ship along with his clothes and jewelry and then either buried or set on fire and pushed out to sea.
Vikings apparently didn't wear horned helmets in battle.
Vikings brought native American wives to Iceland, and their DNA is still present on the island.