The Battle of Wakefield, fought on 30 December 1460, ended with the death of Richard, Duke of York, and transformed the dynastic struggle later called the Wars of the Roses. The action is associated with Sandal Castle and the ground between the castle and Wakefield. York had brought forces north in an effort to strengthen his position, but Lancastrian supporters gathered in the region. Their encounter produced one of the war's most consequential reversals, although important details of the battle remain disputed.

Earlier that year, York had advanced a claim to the English throne. The Act of Accord allowed Henry VI to remain king but recognised York and his descendants as successors, excluding Henry's son, Edward of Westminster. This settlement threatened the interests of Queen Margaret of Anjou and leading Lancastrian families. It did not reconcile the rival parties. Instead, it intensified the struggle over inheritance and government, leaving York dependent on military strength as well as the parliamentary recognition of his claim.

York left the protection of Sandal Castle and was defeated by Lancastrian forces. The reasons for that decision, the relative strength of the armies and the sequence of fighting have attracted competing explanations. Stories involving deception, rashness or an effort to rescue foragers should not all be treated as established fact. What is secure is the result: York was killed, his son Edmund, Earl of Rutland, also died, and his ally the Earl of Salisbury was captured and subsequently executed.

The display of York's head at York became a potent symbol of Lancastrian triumph and humiliation of the defeated rival. Yet the victory did not settle the succession. York's eldest surviving son, Edward, inherited leadership of the cause and proved an effective military and political figure. After further campaigning he became Edward IV in 1461, with victory at Towton strengthening his position. Wakefield thus destroyed the individual whose hereditary claim had driven the crisis while helping propel another generation into the contest for kingship.

Sandal Castle provides the clearest surviving physical reference for interpreting the battlefield, but the surrounding ground has changed through development and alterations to roads and land use. Memorials mark remembrance rather than necessarily establishing the exact spot of every death or encounter. Comparing the landscape with written evidence encourages a more careful account than the familiar story of a simple trap. Wakefield remains important both for its immediate human losses and for the way those losses reshaped the Yorkist leadership without extinguishing its ambition to rule England.