Claim: In Llanfair Dyffryn Clwyd (population 1,053) sits a large church with medieval features, including a large stained glass window dating from 1503 that was said to have been a big window above the altar that was preserved from destruction during the Civil War by being buried in an oak chest.
Evidence: 1,053 (2011) It is fine big 15th century 'double-naved' church with an impressive tower. Though the interior is much restored, medieval features remain here. The most outstanding medieval survival is the mosaic of stained glass (dated 1503) in a south window, including figures of saints and the feet of Christ pierced by a huge golden nail. According to tradition, this glass was once in the big window above the altar, and was preserved from destruction during the Civil War by being buried in the mighty iron-bound oak chest which stands below its present position.