The Wars of the Roses were a series of civil wars in England fought between the House of Lancaster and the House of York between 1455 and 1485. Over a thirty-year period, England had five rulers, three of whom were killed or executed. Power changed hands on even more occasions as an ineffective king, Henry VI, was subject to mental breakdowns and protectors of the realm were regularly appointed to rule during these episodes, thereby disaffecting Henry's ambitious queen, Margaret of Anjou. Though the battles fought were limited in scope, one of these, the Battle of Towton, is considered the...