National Eisteddfod of 1861  
The First National Eisteddfod, held under new rules, took place in Aberdare Market Hall in 1861. It was held over three days and the Presidents were H.A. Bruce, H. Hussey Vivian (who later became Lord Swansea) and Crawshay Bailey (instigated Aberdare Railway) who took the place of Sir Watcyn Williams Wyn.