dˈʊɹɹɪŋ hɪz ɡˈʌvɚnmənt ðə kˈɑːŋɡɹəs ʌvðə juːnˈaɪɾᵻd pɹˈɑːvɪnsᵻz ʌvðə ɹˈiːoʊ də lˌæ plˈɑːɾə mˈɛt ˌɔn sˈɪkstiːn dᵻsˈɛmbɚ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd twˈɛnti fˈoːɹ, ænd lˌɑːs hˈiəɹəz sˈaɪnd ɐn ˌɪntɚnˈæʃənəl tɹˈiːɾi baɪ wˌɪtʃ bɹˈɪtən ɐknˈɑːlɪdʒd ðɪ ˈɑːɹdʒəntˌaɪn ˌɪndᵻpˈɛndəns.
During his government the congress of the United Provinces of the Río de la Plata met on 16 December 1824, and Las Heras signed an international treaty by which Britain acknowledged the Argentine independence.