After the sack of Dumbarton Rock by a Viking army from Dublin in 870, the name Strathclyde comes into use, perhaps reflecting a move of the centre of the kingdom to Govan.
Despois do saqueo de Dumbarton Rock por un exército viquingo de Dublín en 870, empeza a empregarse o nome de Strathclyde, se cadra reflectindo un movemento do centro do reino cara a Govan.