The Romans held Britain from the invasion of Julius Caesar till their voluntary withdrawal from the island, A.D. 420,- that is, about five hundred years.
Thomas BulfinchThe other classes of which society was composed were, first, freemen, owners of small portions of land, independent, though they sometimes voluntarily became the vassals of their more opulent neighbors, whose power was necessary for their protection.
Thomas BulfinchON the decline of the Roman power, about five centuries after Christ, the countries of Northern Europe were left almost destitute of a national government.
Thomas Bulfinch