Age and viking armor in keeping with Wikipedia. Knowledge of mid21st century technology dating back to the middle of the 20th century.
The vikings as reported by Wikipedia. Period since recorded raids to norman england 1066, known history of the viking. Vikings north of the norwegian baltic.
Hurstwic viking helmets to the degree that Hurstwic. During the viking, the helmets were quite simple with a guard in front, the helmet reproduced on the right.