Kutevera Chibvumirano cheFontainebleau chakasainwa pakati peFrance neSpain muna Gumiguru 1807, icho chakabvumirana nezvekupinda muPortugal, mauto eFrance achitungamirirwa naGeneral Junot akapinda munyika, ayo akakumbira rutsigiro kubva kuBritain. Muna July 1808 mauto aitungamirirwa naArthur Wellesley, 1st Duke weWellington akasvika muPortugal ndokukunda mauto eFrance paHondo dzeRoliça
uye Vimeiro. Ikoku kwakamanikidza Junot kutaurirana Chibvumirano cheCintra, icho chakatungamirira kukubviswa kweuto reFrance kubva kuPortugal. Muna March 1809, Marshal Soult akatungamirira boka idzva revaFrench rakaenda kumaodzanyemba kuguta rePorto risati radzoswa nemauto echiPutukezi neBritish ndokumanikidzwa kudzokera. Zvisinei, tyisidziro yokupindazve kwevaFrench yakatungamirira Wellington, pana October 20, 1809, kurayira kuvakwa kwemitsetse yokudzivirira kuchamhembe kweguta guru, pakati peAtlantic Ocean norwizi rwaTagus. Mitsetse yeTorres Vedras, yakaumbwa nezvivako 152, zvigadziko uye zvimwe zvivakwa zvemauto, yakavakwa nekukurumidza uye muchivande, pasi pekutarisirwa kwakazara kwaColonel Richard Fletcher uyo aive mutungamiri weRoyal Engineers.