The Treaty of Fort Harmar was an agreement between the United States government and numerous Native American tribes with claims to what post-AMerican revolutionary War territory northwest of the River Ohio, and that legally existed from July 13 1787 until March 1, 1803?
Northwest Territory The post-American Revolutionary War Territory Northwest of the River Ohio, more commonly known as the Northwest Territory encompassing most of the pre-war territory of the Ohio Country, parts of Illinois Country, and parts of old French Canada below the Great Lakes was an organized incorporated territory of the United States spanning most or large parts of six eventual U.S. States. It existed legally from July 13, 1787, until March 1, 1803, when the southeastern portion of the territory was admitted to the Union as the state of Ohio, and the remainder was reorganized by additional legislative actions.
Fort Dalles Fort Dalles was a United States Army outpost located on the Columbia River at the present site of The Dalles, Oregon, in the United States. Built when Oregon was a territory, the post was used mainly for dealing with wars with Native Americans. The post was first known as Camp Drum and then Fort Drum.