ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd ˈeɪt, dɪsɡˈaɪzd æz ɐ sᵻɡˈɑːɹ mˈɜːtʃənt, hiː mˌeɪd sˈiːkɹᵻt kˈɑːntækt wɪððə spˈænɪʃ dʒˈɛnɚɹəl, mɑːɹkˈeɪz də lˌæ ɹoʊmˈɑːnə ænd ɐ plˈæn wʌz wˈɜːkt ˈaʊt baɪ wˌɪtʃ hɪz tˈɛn,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ sˈoʊldʒɚz wɜː sˈiːkɹᵻtli ɹᵻmˈuːvd fɹʌm dˈeɪnɪʃ tˈɛɹɪtˌoːɹi baɪ ðə ɹˈɔɪəl nˈeɪvi ænd ɹᵻtˈɜːnd tə spˈeɪn tə dʒˈɔɪn ðə wˈɔːɹ ɐɡˈɛnst nɐpˈoʊlɪən.
In 1808, disguised as a cigar merchant, he made secret contact with the Spanish general, Marqués de la Romana and a plan was worked out by which his 10,000 soldiers were secretly removed from Danish territory by the Royal Navy and returned to Spain to join the war against Napoleon.