In 1455, Yorkists usurpers defeated King Henry VI at the Battle of St. Albans, but the King escaped and rallied his supporters to drive Duke Richard of York away in the Battle of London.
House of Lancaster, Resurgent by Robbie TaylorThe remainder of King Henry's desperate reign was marked with constant warfare against the Yorkists, ending only in his death in 1469 in a boating accident. The Yorkists lacked the support to put their leader, Edward, on the throne, but the marriage of old Richard of York to Henry's widow Margaret did put an end to the fighting.