Battle of Agincourt of negotiations with the French. In the ensuing campaign, many soldiers died due to disease and the English numbers dwindled; they tried to withdraw to English-held Calais but found their path blocked by a considerably larger French army. Despite the disadvantage, the following battle ended in an overwhelming tactical victory for the English. King Henry V of England led his troops into battle and participated in hand-to-hand fighting. King Charles VI of France did not command the French army himself, as he suffered from severe psychotic illnesses with moderate mental incapacitation. Instead, the French were commanded by Constable Charles d'Albret
English longbow best-equipped) nobles, remained comparatively unhurt by the English arrows". Archery was described by contemporaries as ineffective against plate armour in the Battle of Neville's Cross (1346), the siege of Bergerac (1345), and the Battle of Poitiers (1356); such armour became available to European knights and men at arms of fairly modest means by the late 14th century, though never to all soldiers in any army. Longbowmen were however effective at Poitiers, and this success stimulated changes in armour manufacture partly intended to make armoured men less vulnerable to archery. Nevertheless, at the battle of Agincourt in 1415 and for some