ˈɪndiənz ʌvðə nˈɪskwɑːli tɹˈaɪb ɐtˈækt wˈaɪt sˈɛtlɚz ɪnðɪ ˈɛɹiə ˌɔn ɑːktˈoʊbɚ twˈɛnti nˈaɪn, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti fˈaɪv, æz ɐ ɹɪzˈʌlt ʌv ðɛɹ dɪsˌæɾɪsfˈækʃən wɪððə tɹˈiːɾi ʌv mˈɛdəsən kɹˈiːk ðæt hɐdbɪn ɪmpˈoʊzd ˌɔn ðˌɛm ðə pɹˈiːviəs jˈɪɹ, pɚtˈɪkjʊlɚli ˈæŋɡɚd ðæt ðɛɹ ɐsˈaɪnd ɹˌɛzɚvˈeɪʃən kɜːtˈeɪld ðə tɹɐdˈɪʃənəl fˈɪʃɪŋ ɪkˈɑːnəmi.
Indians of the Nisqually tribe attacked white settlers in the area on October 29, 1855, as a result of their dissatisfaction with the Treaty of Medicine Creek that had been imposed on them the previous year, particularly angered that their assigned reservation curtailed the traditional fishing economy.