Radiocarbon dating reveals Spain’s largest helmet hoard is medieval, not Roman 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... More info: https://archaeologymag.com/2026/06/spains-largest-medieval-helmet-lost-weapons-shipment/ Follow @archaeology@mstdn.social #archaeology #archeology #archaeologynews #ancientgelmet #romanempire #medieval