Traditional festival days of Wales
Various traditions are practiced on certain days of the year in Wales both currently and historically, including festivities originating in Welsh, Celtic, English and Christian cultures. == History == As recorded in the Laws of Hywel Dda, the three main holidays (gwyliau) of the medieval Welsh kingdoms were Christmas (Nadolig), Easter (Pasg), and Whitsuntide (Sulgwyn).
Source: Wikipedia — Traditional festival days of Wales (CC BY-SA 4.0)