- Fort Steilacoom (Wikipedia)
Fort Steilacoom was founded by the U.S. Army in 1849 near Lake Steilacoom. It was among the first military fortifications built by the U.S. north of the Columbia River in what was to become the State of Washington. The fort was constructed due to civilian agitation about the massacre in 1847 at the Whitman Mission.
- Fort Snelling (unorganized territory), Minnesota (Wikipedia)
Fort Snelling is an unorganized territory of Hennepin County in the U.S. state of Minnesota. It is named after historic Fort Snelling, which is located within its boundaries. The district also includes Coldwater Spring park, Minneapolis-Saint Paul International Airport, parts of the Mississippi National River and Recreation Area, and several government facilities. As of the 2020 census the territory had a population of 322 people.