N'afọ 1762 mpaghara ahụ ghọrọ akụkụ nke Spanish Louisiana ruo mgbe 1802. Akụkụ nke steeti ahụ dị n'ebe ọwụwa anyanwụ nke Osimiri Mississippi ghọrọ akụkụ nke United States na njedebe nke Agha Nnwere Onwe America, mgbe a bịanyere aka na nkwekọrịta nke abụọ nke Paris. Ala dị n'ebe ọdịda anyanwụ nke Osimiri Mississippi nwetara na Louisiana Purchase, ọ bụ ezie na akụkụ nke Red River Valley bụ esemokwu ruo mgbe Treaty nke 1818. Ka ọ na-erule ngwụsị 1700s, North West Company guzobere post nke Fort Charlotte na Lake Superior na njedebe nke Grand Portage, ruo mgbe ọ kwagara 50 kilomita n'ebe ugwu ọwụwa anyanwụ na Fort William na 1803. Na 1805, Zebulon Pike soro ndị America na-azụ ahịa iji nweta ala na confluence nke Minnesota na Mississippi.
Afọ 1839