The Lines of Torres Vedras were lines of forts and other military defences built in secrecy to defend Lisbon, capital of Portugal, from the French during the Peninsular War. Named after the town of Torres Vedras, their construction was ordered by the commander of the British troops, Arthur Wellesley, 1st Duke of Wellington. The Lines were declared a National Heritage by the Portuguese Government in March 2019. The individual forts include: