The English longbow was a powerful medieval type of longbow (a tall bow for archery) about 6 ft (1.8 m) long used by the English and Welsh for hunting and as a weapon in warfare. English use of longbows was effective against the French during the Hundred Years' War, particularly at the start of the war in the battles of Sluys (1340), Crécy (1346), and Poitiers (1356), and perhaps most famously at the Battle of Agincourt (1415). However they were less successful after this, with longbowmen having their lines broken at the Battle of Verneuil (1424) though the English won a decisive victory, and being completely routed at the Battle of Patay (1429) when they were charged by the French mounted men-at-arms before they had prepared the terrain and finished defensive arrangements. The Battle of P