The Wilson?s Creek National Battlefield is the site of the first American Civil War battle that was held west of the Mississippi River. It happened in 1861, and the site continuously preserves the area where the historic event happened.

The Battle of Wilson?s Creek is a notable event in history as it was fought in order for the Union forces to protect the state of Missouri, especially the city of St. Louis. The event is also known as the Battle of Oak Hills.

The Wilson?s Creek National Battlefield features the 1852 Ray House, the Bloody Hill where the major battle occurred, the Wilson?s Creek Civil War Museum, and a 5-mile automobile tour. It was established in 1960, declared as a National Battlefield in 1970.