Eddie Butler discovers the story of Wales's involvement in wars throughout the ages - from the Roman invasion to the development of the atom bomb. Find out about Wales's remarkable contribution to battlefield medicine, why Spanish children ended up exiled in Bangor, and how Italians were treated when the Second World War broke out. And why is there a model of a French guillotine in Welshpool?
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Ready to Watch Wales and the History of the World, Season 1, Episode 3?