The Old Northwest Military History Association is an independent 501(C)(3) organization operating exclusively in the field of historic preservation and for the following purposes:
- To preserve and promote the history of Fort Meigs, the grounds of the original site and of sites associated with Fort Meigs and the War of 1812.
- To preserve the memory of persons who served their country in the War of 1812.
- To promote accurate historic thought through educational programs for the community and public at large.
- To foster close relationships between Fort Meigs Historic Site, the public, and other historic sites and living history associations.
- To provide a pleasant and helpful social experience for all persons engaged in the work of historic preservation.