ðə ɡˈɑːɹdənz wɜːɹ ɪnˈɔːɡjʊɹˌeɪɾᵻd ˌɔn əkˈeɪʒən əvə stˈeɪt vˈɪzɪt tʊ ˌɑːɹdʒəntˈiːnə baɪ ðˈɛŋkɹˈaʊn pɹˈɪns ɐkɪhˈiːɾoʊ ænd pɹˈɪnsɛs mɪtʃˈɪkoʊ ʌv dʒəpˈæn.
The gardens were inaugurated on occasion of a State visit to Argentina by then-Crown Prince Akihito and Princess Michiko of Japan.