Fort Ethan Allen was a United States Army installation in Vermont, named for American Revolutionary War figure Ethan Allen. Established as a cavalry post in 1894 and closed in 1944, today it is the center of a designated national historic district straddling the town line between Colchester and Essex. Locally, it is known simply as "The Fort", and now houses a Vermont National Guard installation a variety of businesses, academic institutions, and residential areas.