Rubuta ci gaba don wannan sakin layi - A lokacin Yaƙin Peninsular (1809<unk>1814) a Spain, Vistula Legion ya sami suna a Siege na biyu na Zaragoza. A cikin yakin Fuengirola, karamin rundunar Poland ta yi nasarar korar rundunar mayakan Anglo-Spanish da suka fi su 10 zuwa 1, inda suka kama kwamandan su a cikin aikin. Sauran dakarun sun yi aiki a cikin Tsaro na Napoleon kuma rundunar Chevau-léger ta Poland ta yi fice a yakin Somosierra
a shekara ta 1808. Wani rukunin sojan doki na Poland <unk> Vistula uhlans <unk> suma sun yi yaƙi a Spain. Sun bambanta kansu sau da yawa a can, ciki har da a yakin Albuhera a 1811, inda suka yi yaƙi da wani haɗin gwiwa na Anglo-Spanish-Portuguese. Kwarewarsu a wannan yaƙin ya sa 'yan Burtaniya su ƙirƙiri nasu rukunin masu harbi da makamai irin na Poland.