The famous helmet from the ship burial at Sutton Hoo in England may be evidence that Anglo-Saxon warriors fought as mercenaries for the Byzantine Empire in the sixth century, a new study finds.

Take a look below at these Anglo-Saxon treasures. Pieces of this helmet were found at Sutton Hoo. They have been placed together and reconstructed in this photo. There are boars' heads on the ...

and a distinctive full-face helmet, of a kind never before recovered in Britain. Examining the artifacts, they concluded that the settlement was not Viking, as first assumed, but Anglo-Saxon.