A 1861, mazaunan Mankato sun kafa Knights of the Forest, tare da burin kawar da dukkan Indiyawa daga Minnesota. Yayin da yanayin ya lalace ga Dakota, tashin hankali ya tashi, wanda ya kai ga Dakota War na 1862. Sakamakon yakin makonni shida shi ne kisa na Dakota 38 da kuma gudun hijirar mafi yawan sauran Dakota zuwa Crow Creek Reservation a Dakota Territory. Har zuwa 800 fararen fata sun mutu a lokacin yakin. Gudun daji da noma sun kasance manyan abubuwan da suka shafi tattalin arzikin Minnesota.
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