To return from the wild statements of tradition to the facts of sober history, we find that London, after the driving out of Mellitus, remained without a bishop until the year 656, when Cedda, brother of St. Chad of Lichfield, was invited to London by Sigebert who had been converted to Christianity by Finan, Bishop of the Northumbrians. Cedda was consecrated Bishop of the East Saxons by Finan about 656, and held the See till his death on the 26th October 664. The list of bishops from Cedda to William, who is addressed in the Conqueror's Charter, is a long one, and each of these bishops apparently held a position of great importance in the government of the city.
In the seventh century the city seems to have settled down into a prosperous place and to have been peopled by merchants of many nationalities. We learn that at this time it was the great mart of slaves. It was in the fullest sense a free trading town; neutral to a certain extent between the kingdoms around, although the most powerful of the Kings successively obtained some authority over it, when they conquered their feebler neighbours.[5] As to this there is still more to be said. During the eighth century, when a more settled condition of life became possible, the trade and commerce of London increased in volume and prosperity. A change, however, came about towards the end of the century, when the Scandinavian freebooters, known to us as Danes, began to harry our coasts. The Saxons had become law-abiding, and the fierce Danes treated them in the same way that in former days they had treated the Britons. Freeman divided the Danish invasions into three periods:--
1. 787-855. A period when the object was simply plunder.
3. 980-1016. During this period the history of England was one record of struggle with the power of Denmark till Cnut became undisputed King of England.[6]
We still have much to learn as to the movements of the Danes in this country, and when the old charters are more thoroughly investigated we shall gain a great accession of light. Thus we learn from an Anglo-Saxon charter, printed in De Gray Birch's _Cartularium Saxonicum_ (Nos. 533, 534), that in the year 872 a great tribute was paid to the Danes which is not mentioned in the Chronicle. London was specially at the mercy of the fierce sailors of the North, and the times when the city was in their hands are almost too numerous for record here.