Helmets recovered off the coast of Benicarló were not Roman in origin, but formed part of a Late Medieval military cargo. Credit: University of Alicante For more than 30 years, a remarkable collection of helmets recovered from the waters off Spain was believed to date back to Roman times. New research has now overturned that assumption, revealing that the artifacts are actually medieval and provide rare insight into the movement of weapons, trade, and military activity across the Mediterranean