Cika wannan jumla: A 1823, da
An kafa Faransanci na Mutanen Espanya don mamaye Masarautar Spain da kuma kawar da Trienio Liberal don tallafawa Sarki Ferdinand VII. A matsayin wani ɓangare na wannan balaguro, an tattara rukunin a ranar 8 ga Fabrairu 1823 lokacin da ya bar tasharsa a Épinal zuwa Bayonne. A ƙarshen Maris, rundunar ta shiga cikin Rukunin Tsaro a ƙarƙashin jagorancin Janar Étienne Tardif de Pommeroux, Count de Bordesoulle. Lokacin da yaƙin ya fara, rukunin ya kasance kusa da Orthez a asali, daga baya ya ƙetare Bidasoa a ranar 27 ga Afrilu. Yayin da yakin ya ci gaba, rundunar ta kasance a cikin garuruwa da dama ciki har da da yawa waɗanda tsoffin sojoji suka ƙi sunayen, kamar Vitoria, Burgos, Valladolid, da Madrid, kuma a ƙarshe Toledo zuwa ƙarshen Mayu. Bayan karshen nasarar mamayewar, sojojin sun janye ta hanyar Madrid, Talavera, da Aranjuez kafin daga karshe suka koma Bayonne ba tare da ganin wani babban yaƙi ba.