The Celts were never an empire or a nation, just groups of over all from Central Europe in about B.C. By 30o c., they had the Romans and by Turkey to Spain to the British Isles. Later they were by to stayed alive and are familiar various Germanic many of King Arthur and the Round Table us today. The best known of these is the story have a Celtic leader in the early There is evidence that Arthur may really been Celtic origins, sino sixth century. Even if he never lived, his story almost certainly has it includes many typically British elements. Celtic. very few elements that could be figures. Some traditionally European historical many typically Celtic elements.