Viking Age by a Viking leader called Bagsecg and his five earls. Aided by the Great Heathen Army (which had already overrun much of England from its base in Jorvik), Bagsecg's forces, and Halfdan's forces (through an alliance), the combined Viking forces raided much of England until 871, when they planned an invasion of Wessex. On 8 January 871, Bagsecg was killed at the Battle of Ashdown along with his earls. As a result, many of the Vikings returned to northern England, where Jorvic had become the centre of the Viking kingdom, but Alfred of Wessex managed to keep them out of
Battle of Leeds and Sir Thomas recaptured Wakefield. This was, however, almost immediately followed by another Royalist advance into the West Riding, this time under Newcastle himself. The Battle of Adwalton Moor saw the Parliamentarians narrowly defeated by Newcastle’s forces, with Bradford falling shortly afterwards. Fairfax escaped and spent the rest of 1643 besieged in the Parliamentarian stronghold of Hull. The Royalists only withdrew to York when the Scottish Covenanter army marched south in support of Parliament. In July 1644, the Royalists were comprehensively defeated at the Battle of Marston Moor, which lost the north of England for King Charles I. Battle of