Kammala wannan jumla: A ranar 27 ga Fabrairu, 1973, a lokacin da
Aikin Wounded Knee, Indianungiyar Indiyawan Amurka (AIM) ta mamaye Pine Ridge Reservation kusa da Wounded Knee don nuna rashin amincewa da gwamnatin tarayya da manufofinta da suka shafi 'yan asalin Amurka. Rashin daidaituwa na kwanaki 71 tsakanin hukumomin tarayya da AIM ya biyo baya. Membobin kungiyar sun mika wuya a ranar 8 ga Mayu.