Cardiff was officially proclaimed the capital city of Wales in 1955
While it had long been the nation's largest urban center, Cardiff was only officially proclaimed the capital of Wales in 1955 following a decades-long debate between competing Welsh cities.
On December 20, 1955, Home Secretary Gwilym Lloyd George announced that Cardiff would finally become the official capital of Wales. For years, the country was one of the few in the world without a designated capital, as rivals like Caernarfon and Machynlleth argued over historical and cultural claims.
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