The Continental Army became the foundation of the United States Army

It is a fact that the Continental Army became the foundation of the United States Army. Pittsburgh, Pennsylvania, was where the legion was formed and raised. It was divided into four sections. These were formed from elements of the Continental Army's 1st and 2nd Regiments. These units were later designated as the First and Second Sub-Legions. Further recruits were used to form the Third and Fourth Sub-Legions. The Legion was cantoned at Fort LaFayette in Pittsburgh from June to November 1792. During the winter of 1792-1793, existing troops and new recruits were trained in military skills, tactics, and discipline at Legionville, which was located on the banks of the Ohio River near present-day Baden, Pennsylvania.

The newly renamed Legion of the United States left Legionville the next spring for the Northwest Indian War, a conflict between American Indian tribes connected with the Western Confederacy in the area south of the Ohio River. The enormously successful campaign ended on August 20, 1794, with the decisive victory at Fallen Timbers, where Maj. Gen. Anthony Wayne used the wilderness operations skills acquired by Sullivan's 1779 mission against the Iroquois. The training that the troops got in Legionville was also credited with their overwhelming triumph. Following the disbandment of the United States Legion, the United States Army was formed in 1796.