Your challenge if you wish to accept it is to create a plausible scenario in which the North Britons to survive as a strong polity beyond the early medieval period (1000AD/1100AD)
No POD is allowed before the Battle of Chester 615/16 AD...
Furthermore, while the Kingdom of Strathclyde did survive beyond the year 1000 AD, it did not survive fully into the High Middle Ages nor leave much cultural remnants behind.
No POD is allowed before the Battle of Chester 615/16 AD...
Furthermore, while the Kingdom of Strathclyde did survive beyond the year 1000 AD, it did not survive fully into the High Middle Ages nor leave much cultural remnants behind.