Rhuddlan

Rhuddlan, a decayed town of Flintshire, North Wales, on the Clwyd, 3 miles SSE. of Rhyl. Its ruined castle, dating from 1015, and dismantled after its capture by the Roundheads in 1646, was the scene of the betrayal of Richard II. by Percy (1399); at the marsh of Morfa Rhuddlan, across the river, Offa defeated Caradoc (795). With Flint, &c., Rhuddlan returns a member to parliament. Pop. 1242.