At the Siege of Burgos, from 19 September to 21 October 1812, the Anglo-Portuguese Army led by General Arthur Wellesley, Marquess of Wellington tried to capture the castle of Burgos from its French garrison under the command of General of Brigade Jean-Louis Dubreton. The French repulsed every attempt to seize the fortress, resulting in one of Wellington's rare withdrawals, as he went on to defeat the army sent to flank him at the Lines Of Torres Vedras, pursued them and then returned to complete the siege of Burgos and capture the city The siege took place during the Peninsular War, part of the Napoleonic Wars. Burgos is located about north of Madrid.