Recent discoveries by archaeologists and historians have, radically altered this traditional view of the Dark Ages. The period is now seen as one of innovation and dynamic social evolution. This book reconsiders a number of traditionally accepted views. It argues, for example, that the debt of the Dark Age Celts to Rome was enormous, even in areas such as Ireland that were never occupied by Roman invaders. It also discusses the traditional chronology suggesting that the date of 'AD 400' usually taken as the start of the 'early Christian period in Britain and Ireland now has comparatively little meaning.