It's such an old invention that no one really knows who came up with the idea first.
metal
helmet
They were Viking helmets.
According to the museum staff that have actual Viking relics in parts of Europe; Viking helmets didn't have horns on them. It must have been a Hollywood film that got the idea going. Because that's where nearly everyone first saw horns on Viking helmets...the movies. ======================== "Der Ring des Nibelungen," Wagner's opera, is what started the idea of Vikings having helmets with horns and wings.
See related link.
There is no historical evidence of it ever existing, but only a small amount of Viking Helmets have ever been found.
the viking helmets red and blue.
Contrary to poular beleif, the Vikings didn't have horns on their helmets. They would have worn simple tunics and helmets with nose pieces.
Viking Helmets, Ghillie Suits and Aromour. :)
Vikings didn't use horned helmets.
Blue and Red Viking Helmets
Auto darkening welding helmets were invented by a Swedish manufacturer known as Hornell. One can purchase auto darkening welding helmets at popular on the web sources such as Miller Welds.