In this year, Pope Gregory III appointed Egbert the first archbishop of York. The creation of a northern metropolitan see to balance Canterbury’s influence had long been sought in Northumbria; part of Bede’s aim in writing the Ecclesiastical History had been to make the case for such an arrangement.
Ahern, Eoghan. "The founding of the Archbishopric of York, with Ecgbert as Archbishop". The Literary Encyclopedia. First published 12 April 2016
[http://www.litencyc.com/php/stopics.php?rec=true&UID=6830, accessed 25 June 2016.]