|Coordinates: 41°26′11″N 85°05′58″W|
|Elevation||932 ft (284 m)|
|GNIS feature ID||443193|
The Sedan post office was discontinued in 1908. It was likely named after Sedan, in France.
Sedan is located at 41°26′11″N 85°05′58″W.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "DeKalb County". Jim Forte Postal History. Retrieved 3 September 2014.
- Baker, Ronald L. (October 1995). From Needmore to Prosperity: Hoosier Place Names in Folklore and History. Indiana University Press. p. 297. ISBN 978-0-253-32866-3.
...Sedan, apparently for the French city...