In this article, an author proves that devolution based on the national identity fosters political development in Wales. The main historical facts are briefly recalled, coming smoothly to Tony Blair’s reforms and their partly failure. Author considers them as irreversible process’ elements, later continued by David Cameron who saw them as vital to awake national identity of Wales. Such efforts finally result in economic success of the whole region, based on devolution of powers, as it is concluded at the end.