Cofiwch

Cofiwch Dryweryn (Welsh for 'Remember Tryweryn') is a graffitied stone wall near Llanrhystud, Ceredigion, Wales. Author and journalist Meic Stephens originally painted the words onto the wall of a ruined cottage in the early 1960s after Liverpool City Council decided to start the Tryweryn flooding, including the community of Capel Celyn, to create the Llyn Celyn reservoir. Due to its prominent location, stark message, and history of repeated vandalism, the wall has become an unofficial landmark of mid Wales. The phrase "Cofiwch Dryweryn" has itself become a prominent political slogan for Welsh nationalism, appearing on T-shirts and banners, and as replica murals.