During most of the Middle Ages (c. 410–1485 AD), the island of Great Britain was divided into multiple kingdoms.
By the end of the period two remained: the Kingdom of England, of which Wales was a principality, and the Kingdom of Scotland.
The following articles address this period of history in each of the nations of Great Britain: This article related to the history of the United Kingdom or its predecessor states is a stub.
You can help Wikipedia by expanding it.