The Battle of Crecy was a major conflict that occurred during the Hundred Years' War between England and France. This battle is also sometimes referred to as the Battle of Crecy or the Battle of Crecy-en-Ponthieu. Other synonyms for this historic battle include the Battle of Cressy and the Battle of Montl'hery, as it was sometimes confused with the Battle of Montlhery due to its proximity to the town. Regardless of the name, the Battle of Crecy was a significant event in medieval warfare, showcasing the effectiveness of the English longbow and changing the tactics of European armies for years to come.