Radiocarbon dating reveals Spain’s largest helmet hoard is medieval, not Roman (opens in new tab)

A group of 43 iron helmets recovered from the seabed off Spain’s eastern coast has been redated to the late fourteenth and early fifteenth centuries, overturning a belief held for more than three decades. Archaeologists once thought the helmets belonged to the Roman period. New research shows they formed part of a medieval shipment of […]