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Fort of Casa
Fort of Casa
Forte da Casa
Forte da Casa, Vila Franca de Xira in Portugal
Coordinates	38°52′28″N 9°03′24″W / 38.87444°N 9.05667°W
Type	Fort
Site information
Open to; the public	Yes, including an interpretation centre
Condition	Preserved and restored. Public park.
Site history
Built	1809-10
Built by	Duke of Wellington
Fate	Unused in battle
Garrison information
Garrison	340

The Fort of Casa was the most easterly of the forts and redoubts built in 1809-10 during the Peninsular War on the second line of the three defensive Lines of Torres Vedras aimed at protecting the capital of Portugal, Lisbon. It is situated in the town of Forte da Casa, in the municipality of Vila Franca de Xira, in the Lisbon District.^[1]

History

Following the Treaty of Fontainebleau signed between France and Spain in October 1807, which provided for the invasion and subsequent division of Portuguese territory into three kingdoms, French troops under the command of General Junot entered Portugal, which requested support from the British. In July 1808 troops commanded by the Duke of Wellington, at the time known as Arthur Wellesley, landed in Portugal and defeated French troops at the Battles of Roliça and Vimeiro. This forced Junot to negotiate the Convention of Cintra, which led to the evacuation of the French army from Portugal. In March 1809, Marshal Soult led a new French expedition that advanced south to the city of Porto before being repulsed by Portuguese-British troops and forced to withdraw.^[2]^[3]^[4]

The threat of a further invasion by the French led Wellington, on 20 October 1809, to order the secret construction of defensive lines in order to protect Lisbon from Napoléon Bonaparte's troops led by Marechal Masséna.^[5] A total of 152 military installations were constructed and they were each given a number.^[3] The Fort of Casa was Number 38 and it was originally named “Da Caza” by the Portuguese Major Brandão de Sousa. It had a star-shaped layout and, like most other forts of the Lines, it was built with a dry moat and equipped with a magazine. In 1810 it was garrisoned by around 340 soldiers, with five cannon. At an altitude of just 41 metres and close to the River Tagus it was given the task, together with the higher forts of Portela Grande and Portela Pequena, of potentially impeding the progress of the French army along two main roads. However, Masséna’s troops were repulsed by the first line of defence at Sobral de Monte Agraço and the Fort of Casa never saw action.^[1]^[4]^[6]

The present day

The fort was excavated in 2008 and 2010 and the ruins are now incorporated into a small urban park. The site also contains a Lines of Torres Vedras “Interpretation Centre”, one of several in the region. The Centre informs visitors about the construction of the two northerly lines of Torres Vedras, the relation of the fort with other military works, and on the impact of the French invasion and construction of the forts on the people of the area.^[7]

References

^ ^a ^b "ROTEIRO Nº4 - A ROTA HISTÓRICA DAS LINHAS DE TORRES" (PDF). Museu Municipal Vila Franca de Xira. Retrieved 31 March 2019.
^ Noivo, Marco António do Carmo Gomes (February 2010). A 1ª E A 2ª LINHAS DE TORRES: A VALORIZAÇÃO DO PATRIMÓNIO E O TURISMO CULTURAL. Lisbon: University of Lisbon.
^ ^a ^b Norris, A. H.; Bremner, R. W. (1986). The Lines of Torres Vedras. Lisbon: British Historical Society, Portugal. p. 54.
^ ^a ^b "Forte da Casa / Reduto da Serra da Albueira". SIPA: Sistema de Informação para o Património Arquitetónico. Retrieved 31 March 2019.
^ "À descoberta dos antigos fortes das Linhas de Torres no Forte da Casa". O Mirante. Retrieved 31 March 2019.
^ "Fort Casa". Association for the Historical and Tourist Development of the Lines of Torres Vedras (RHLT). Retrieved 31 March 2019.
^ "Rota Histórica das Linhas de Torres – Visitas e Percursos". Câmara Municipal de Vila Franca de Xira. Retrieved 31 March 2019.