The Honey War was caused by a disagreement over a 9.5-mile (15.3 km) wide piece of land covering the entire border (see map). The disagreement was caused because 3 things were not easy to understand: the Missouri Constitution's part about borders, the survey of the Louisiana Purchase, and treaties with the Native Americans. The United States Supreme Court ended the dispute in Iowa's favor. It said that the almost-straight border of Iowa would follow the Des Moines River south for about 30-mile (48 km) until it reached the Mississippi River near Keokuk.
During the War, the state militias faced each other, a Missouri sheriff collecting taxes in Iowa was arrested, and three honey trees were cut down.
- State of Missouri v. State of Iowa, 48 U.S. 660 (1949).
- Everett, Derek R. (2008, Fall). To Shed Our Blood for Our Beloved Territory: The Iowa-Missouri Borderland. The Annals of Iowa, 67(4), 269–297.
- The Territorial Militia - History of The Iowa National Guard by Stephen N. Kallestad Archived 2007-08-06 at the Wayback Machine
- Stories of Iowa for Boys and Girls by Bruce E. Mahan - 1931 - reprinted on Iowa History Project
- Country Facts and Folklore By Andy Reddick (republished on rootsweb) Archived 2005-12-04 at the Wayback Machine