Starting from the death of Edward III (1327-1377) as king of England, resulting in the struggle for the throne between the York and Lancaster families.
Henry VI, son of Edward III, was made king. In 1453, Henry VI suffered a war defeat with France and fell ill. After recovering he returned to power and sacked Richard of York who was made a temporary king.
On May 22, 1455, York's troops brought 3,000 people to fight Henry in St. Albans. The troops that had been prepared by Margaret, the queen of England, were defeated and Henry was captured.