By Princess Charlotte (Medieval Warfare Expert) If medieval warfare had a moment when everyone realised the old rules no longer applied, it happened on a hillside in northern France on the 26th August, 1346. When we mention the Battle of Crécy we really should be talking about a French victory that looked pretty inevitable when the two armies met. The English army, led by King Edward III had other ideas. King Edward III's English army was tired, outnumbered and deep inside en