Siege of Fort Harrison was a siege conducted in 1812 at Terre Haute, in what is now Indiana, United States. It was part of the War of 1812, which ran from 1812 to 1815. The recorded result: American victory. Recorded strength: 600 against 20 healthy, 30 sick.
The recorded site, with the nearest other engagements in the atlas. The dashed outline is the battlefield study area mapped by the NPS American Battlefield Protection Program. Present-day coastlines, rivers and borders; towns from Natural Earth.
The National Park Service's American Battlefield Protection Program maps this as the Fort Harrison battlefield (site IN400): a study area of 50 acres, with a core area of 17 acres where the fighting was concentrated; 4 acres retain enough integrity to be potentially eligible for the National Register.
Siege of Fort Harrison is one of 3,507 engagements of the 19th century in the atlas and one of 1,148 in present-day United States (12 in Indiana).
Sources
Identity, coordinates, dates and the war from Wikidata Q7510011, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Fort Harrison, Indiana, revision 1370619871, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Battlefield boundary and area from the National Park Service American Battlefield Protection Program (public domain). Dates before 1582 follow the Julian calendar as recorded.