Stillman's Run Battle Site is a site in Stillman Valley, Illinois. It is listed on the National Register of Historic Places and has been since December 1983. The Battle of Stillman's Run was an 1832 clash between the Illinois militia and Black Hawk and his Sauk Indian Band. The battle took place in 1832 as part of the Black Hawk War. During the engagement 12 militia men were killed while making a stand on a small hill. The rest of the militia fled back to Dixon's Ferry where they spread news of a terrible slaughter at Stillman's Run.