Strathclyde or Northern Cumbria, an ancient kingdom of the Britons, which originated in the 8th century, and comprised the W. side of Scotland between the Solway and the Clyde; Alclyde or Dumbarton was the capital; was permanently annexed to Scotland in 1124 under David I.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Stratford-on-Avon * Strathfieldsaye