The model for a non-anglo-saxon England would be Ireland. Although Scotland and Wales could serve as a model to a lesser extent. read more
The Angles invaded Scotland in the 8th century but it was an ill fated invasion. The Scots pushed the Angles back, eventually taking Northumbria for the Scots. The 300 year war which began in the 14th century and ended in 1604, when King James VI of Scotland became King James I of England, upon the death of Elizabeth (Tudor) I. read more