1. Firsts

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. 3 March 2010. 29 min

Eddie Butler celebrates some Welsh firsts: pioneering scientific achievements on land, at sea, in space, the universe and everything.

2. Trade and Industry

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. 10 March 2010. 29 min

We know that Wales powered the world by exporting coal but did you know its lager quenched the thirst of the Empire and its tinplate kept food fresh for pioneers in the Wild West?

3. Conflict

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. 17 March 2010. 29 min

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.

4. Ideas

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. 24 March 2010. 29 min

Eddie Butler looks at the symbols and ideas we've chosen to represent us for the past 6,000 years, give or take a decade. Everything from the red dragon to the red flag and from ancient burial mounds to the iPod.