Wars of the Roses Richard of York, 3rd Duke of York. By 1453, issues had come to a head: though Margaret of Anjou was pregnant, Henry VI was descending into increasing mental instability, by August becoming completely non-responsive and unable to govern. A Great Council of nobles was called, and through shrewd political machinations, Richard had himself declared Lord Protector and chief regent during the mental incapacity of Henry. In the interlude, Margaret gave birth to a healthy son and heir, Edward. By 1455, Henry had regained his faculties, and open warfare came at the First Battle of St Albans. Several prominent Lancastrians died
Wars of the Roses Battle of Northampton. York returned to the country and for the third time became Protector of England, but was dissuaded from claiming the throne, though it was agreed that he would become heir to the throne (thus displacing Henry and Margaret's son, Edward of Westminster, from the line of succession). Margaret and the remaining Lancastrian nobles gathered their army in the north of England. When York moved north to engage them, he and his second son Edmund were killed at the Battle of Wakefield in December 1460. The Lancastrian army advanced south and released Henry at the Second Battle of