According to a Gizmodo report, a new evaluation, including radiocarbon dating, of five of the 43 helmets discovered under about 20 feet of water off the northeastern coast of Spain in 1990 indicates that they were made between the late fourteenth and early fifteenth centuries, and not during the Roman period as had been previously thought. "At the beginning, it was difficult to place them in a specific era because they featured traits that recalled both Late Roman models and potential medieval p