Definitive account of the cultural and political impact on Wales of the flooding of the Tryweryn Valley. The failure of the nation to block the move politically led to increased Welsh national consciousness and to a period of militant activism which eventually led to the process of devolution.

• Acknowledgments
• Abbreviations
• Introduction
• Chapter 1
• ‘We’re thinking of drowning this valley’
• Chapter 2
  • ‘Philistines in our midst’
• Chapter 3
• ‘Wales is a part of our country’
• Chapter 4
• ‘No national issue during this century has united the people of Wales as strongly as this’
• Chapter 5
• ‘You do realise don’t you, we don’t drink your water; all we do is flush our toilets with it’
• Conclusion
• Appendices
• Bibliography