Unit One The Anglo-Saxon Periodn I. Historical Backgroundn II. Anglo-Saxon Poetryn III. Anglo-Saxon Prose I. Historical BackgroundThe English people are a complicated race.The first inhabitants of the island were commonly known as the Celts (or Kelts).n 55 BC saw the invasion of the island headed by Julius Caesar.During the invasion these aborigines（ 土著人）Celts withdrew to the Welsh and Scottish mountains and left a great part of England to the Romans.n Not until the 5th centu
