Proper noun
Old Northwest
The area of the continental United States in the former Northwest Territory (the states of Ohio, Indiana, Illinois, Michigan, and Wisconsin, plus part of Minnesota).
"Arthur St. Clair and the Struggle For Power in the Old Northwest, 1763–1803" (Dissertation. Source: Internet
Heidler Heidler 1997, pp. 505, 508–511 Gilbert 1989, pp. 329–330 Raids would continue from the unsubdued Indian tribes in the Old Northwest, which remained under British/Indian control, until the end of the war. Source: Internet
The outbreak of war with the British in 1812 led to continued conflict with Indians in the Old Northwest, and Harrison was kept in command of the army in Indiana. Source: Internet