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 BulfinchMail armor continued in general use till about the year 1300, when it was gradually supplanted by plate armor, or suits consisting of pieces or plates of solid iron, adapted to the different parts of the body.
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