Mystery Ulfberht Viking sword has archaeologists stumped

A mystery sword made by the Vikings and engraved with the word Ulfberht has stumped archaeologists. The sword is forged in such a way that it looks to have been made by technologies that weren’t available until 800 years after the Viking era.

Around 170 of the swords have been found, all of which date from between 800AD to 1000AD, but the technology that would have forged them is from the Industrial Revolution of the 1800s and 1900s.

Mystery Ulfberht Viking sword has archaeologists stumped