England has always played the most powerful part in the history of the British Isles.But the stories of Wa les, Ireland and Sco tland are also important, because the ir peop le still feel different from the AngloSaxon English.However, the orhe r three countries, Wa les, Ireland and Scotland, have a differen t history.Wales By th e eight h century most of the Celts had been driven int o the Welsh peninsula.Until recently few historians looked at British history exce pt from an English point of view.The experience of the Welsh, Irish and Scots helps to explain the feeling they have today.T hey were kept out of England by Offa's Dyke , the huge earth wall built in AD 779.