On 26 August 1346, the Battle of Crécy took place, marking a decisive moment in the Hundred Years' War. King Edward III led the English forces to a significant victory over the French army, a triumph that fundamentally altered the nature of medieval warfare. By successfully utilising defensive positioning and disciplined formations, the English demonstrated the devastating effectiveness of the longbow against traditional heavy cavalry, signalling a shift away from the dominance of mounted knights.

The engagement is widely regarded as a landmark event in military history, highlighting the rising importance of infantry and missile weaponry on the battlefield. This tactical success not only secured a major strategic advantage for the English Crown but also served as a catalyst for broader transformations within the kingdom. The victory at Crécy remains a vital point of reference for historians seeking to understand the evolving complexities of Late Medieval Britain, particularly regarding the intersection of military innovation, governance, religious influence, and social structure.

• The battle occurred on 26 August 1346 during the Hundred Years' War.
• King Edward III achieved a major victory over the French forces.
• The longbow proved to be a decisive tactical weapon.
• The event showcased the growing effectiveness of disciplined infantry.
• It serves as a key reference for societal and military changes in medieval England.