FTP, name this engagement of the Hundred Years' War, an English victory in 1415.
Despite having a three to one advantage at dawn on October 25, the larger force lost more than 500 of its nobility and saw its cavalry completely massacred by the opponent's billhooks.  Among the dead was the losing commander Charles D'Albret, whose defeat of Henry V was not in the cards that day.  The battle was truly decided because, weighed down by heavy armor, the French were almost immobilized in the muddy field.  FTP, name this engagement of the Hundred Years' War, an English victory in 1415.
Despite having a three to one advantage at dawn on October 25, the larger force lost more than 500 of its nobility and saw its cavalry completely massacred by the opponent's billhooks.  
Battle of Agincourt