tˈɛnʃənz bᵻtwˌiːn ɹˈʌʃən ænd dʒˌæpənˈiːz kˈɑːlənˌɪsts ɪnðɪ ˈɛɹiə lˈɛd tə ðə tɹˈiːɾi ʌv ʃɪmˈoʊdə, wˌɪtʃ sˈɔː ðə sˈʌðɚn kjˈʊɹɹəl ˈaɪləndz əfˈɪʃəli plˈeɪst ˌʌndɚ dʒˌæpənˈiːz ɹˈuːl ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti fˈaɪv, ɹᵻmˈeɪnɪŋ sˌoʊ ʌntˈɪl ðɪ ˈɛnd ʌv wˈɜːld wˈɔːɹ ɹˌoʊmən tˈuː.
Tensions between Russian and Japanese colonists in the area led to the Treaty of Shimoda, which saw the southern Kuril Islands officially placed under Japanese rule in 1855, remaining so until the end of World War II.